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OBJECTIVE QUESTION WITH ANSWER
1] Match the cutting tools with uses.
Cutting Tools:
1) File 2) Hacksaw 3) Chisel 4)Scraper
Uses: A] To Remove small amount of metal and finishing purposes
B] To remove large amount of metal up to 6mm
C] To cutting the metal o scribed line
D] To remove the metal on scribed line
E] To remove high spot by hand process for obtaining high degree of Accuracy
Ans: 1-A 2-C 3-B 4-D
2] Match the cutting tools with uses.
Cutting Tools:
1) Drills 2) Reamer 3) Taps 4) Dies
Uses: A] For making hole on a job
B] To accurate finishing hole and to remove burrs
C] For cutting external threads on cylindrical job
D] For cutting internal threads in a hole
Ans: 1-A 2-B 3-D 4-C
3] Match the marking tools with uses.
Marking Tools
1) Marking table 2) Try Square 3) Scriber 4) Divider
Uses: A] For placing the job and tools on it for marking
B] To draw a scribe line on metal, to indicate dimension
C] For marking parallel lines and checking right angles of job
D] To scribe circles, arcs and to find out center of round rod
Ans: 1- A 2–C 3-B 4-D
4] Match the marking tools with uses.
Marking Tools
1) Surface Plate 2) Universal Surface Gauge 3) Vernier height gauge 4) punches
Uses: A] To support the tools for marking and checking
B] To register mark to keep up the lines visible till the operation is over
C] For talking accurate measurement of height of a job or marking
D] For Scribe parallel line locating centre of round bar and for checking of height
Ans: 1 –A 2- D 3- C 4-B
5] Match the marking tools with uses.
Marking Tools
1) Trammel 2) Bevel protractor 3) Combination set 4) Jenny Caliper
Uses: A] For draw a large circles, arcs two parallel lines and also used for laying out materials
for boilers, tanks, bridges towers etc.
B] To measurement of layout of angles
C] For measure the angles with different heads.
D] To scribe parallel lines and find centre of cylindrical round bar
Ans: 1-A 2-B 3-C 4-D
6] Match the supporting tools with uses.
Supporting Tools:
1) Angle Plate 2) V Block 3) Parallel Block 4) Surface Plate
Uses: A] To support the tools for marking and checking
B] For level testing work pieces horizontally
C] For holding round rods with help of U clamp
D] To support the job for marking
Ans: 1-D 2-C 3-B 4-A
7] Match the holding and striking tools with uses.
Holding & striking Tools:
10Vices 2) Clamps 3) hammer 4) Mallet
Uses: A] To make uniform surface or bending sheet metal.
B] To make job to required shape either cold or hot beats direction the top of the tool
C] To grip the job while drilling or fixing the components in bench
D] To hold the job firmly in fitting shop.
Ans: 1-D 2- C 3-B 4-A
8] Match the Measuring tools with uses.
Measuring Tools
1) Steel Rule 2)Vernier Caliper 3) Micrometer 4) Bevel Protractor
Uses: A] To measure the simple components of an accuracy of 0.5 mm
B] To measure the outer dimension of round, flats, square components and also inner sizes of
hole and
Bore of an accuracy of 0.02 mm or 0.01 mm.
C] To measure outer dimension of round or flat jobs to an accuracy 0.01 mm
D] To measure the Angles.
Ans: 1-A 2-B 3-C 4-D
9] Match the Checking tools with uses.
Checking Tools:
1) Gauge 2) Dial Test indicator 3) Sine Bar 4) Combination Set
Uses: A] Used on the manufactured job to know whether it is fir or not
B] For measuring the angles
C] To check the angles of job
D] To check the truth of an object to find degree of an accuracy.
Ans: 1-A 2- D 3-C 4-B
10] Match the hand tools with uses.
Hand Tools
1) Screw Driver 2) Pliers 3) spanner 4) Wrenches
Uses: A] For fastening and dismantling bolts and pipes
B] For tightening or loosening nut or bolt
C] For tightening or loosening screw
D] To hold small job and articles and also use to cut or turn the wires
Ans: 1-C 2-D 3-B 4-A
11] Match the sheet metal tools with uses.
Sheet metal Tools
10 Snips 2) Stakes 3) Shears 4) Grooves 5) Bench Plate
Uses: A] For sheet metal bending grooving riveting and hollowing
B] For cutting thick sheet metal
C] For cutting thin sheet metal
D] For locked joint s in sheet metal works.
E] Different types of making wire edges and slots, holes, round, square in different
shapes and sizes and Made in this
Ans: 1-A 2-A 3-B 4- D 5-E
12] Match the forging and black smithy tools with uses.
Forging and black smithy tools
1) Shavel 2) Sprinker 3) Pocker 4) Tongs
Uses: A] For holding jobs in hot conditions and protect the hand from heat and prevent shear while
Beating on cold condition
B] To make clear way and to know the position of the heated jobs in the Furnace
C] To control the fire by filling it with water
D] To carry over the fuel into forge as well to remove the slag, ash etc from the fire
Ans: 1-D 2-C 3-B 4-A
13] Match the forging and black smithy tools with uses.
Forging and black smithy tools:
1) Anvil 2) Swage 3) Hardie 4) Drift
Uses: A] To enlarge the hole in hot metals
B] It is hole of Anvil, hot metals is kept on it and cut by striking at it
C] For finishing the round job
D] For hammering a hot job
Ans: 1-D 2-C 3-B 4-A
14] Match the forging and black smithy tools with uses.
Forging and black smithy tools:
1) Fuller 2) Flatter 3) Cone 4) Rake
Uses: A] used in conjunction with each other for making hollow V grooves and necks in round corner.
B] For finishing the surface of the plain job
C] to make round rings of different sizes in forging works
D] To pull the charged fuel over the job
Ans: 1- A 2-B 3-C 4-D
15] Match the Gas welding tools with uses:
1) Spark Lighter 2) Tip Cleaner 3) Cylinder Key 4) Wire brush
Uses: A] For lighting the gas released from welding torch
B] For opening and closing the gas Cylinders spindle valve.
C] For cleaning the hole in Nozzle and also used for removing slag from the job after welding
D] For cleaning the jobs before and after welding
Ans: 1- A 2- C 3- B 4- D
16] Match the Gas welding equipments with uses:
Gas Welding Equipments:
1) Oxygen Cylinder 2) Acetylene Cylinder 3) Gas Regulator 4) Blow pipe
Uses: A] it is black color and its valve has right hand thread
B] It is maroon color and its valve has left hand thread
C] To supply the gas to welding torch at a proper and reduced pressure
D] For gases supplied to the welding torch from cylinder
Ans: 1-A 2-B 3-C 4-D
17] match the Welding Safety Equipments with used.
Welding Safety Equipments:
1) Welding torch 2) Welding goggles 3) Hand gloves 4) Apron
Uses: A] to mixed oxygen and acetylene gases desired proportion in it
B] For protects of eyes against and possible bad effect of the flame
C] For the protection of hand against any possible burn during welding
D] For protection body from spark while doing welding
Ans: 1-A 2-B 3-C 4-D
18] Match the Arc welding equipments with uses:
Arc Welding Equipments:
1) Welding Cable 2) Cable connector 3) Earth Clamp 4) Electrode holder
Uses: A] To pass the current from welding machine to the electrode holder
B] To hold the electrode
C] For connecting the earth and cable to placed on the welded jobs while welding.
D] For joining two cable pieces or for connecting the cable to the welding machine.
Ans: 1-A 2-D 3-C 4-B
19] Match the Arc welding equipments with uses:
Arc Welding Equipments:
1) Weld gauge 2) Welding electrode 3) Oxygen Cylinder 4) Acetylene Cylinder
Uses: A] used in Arc Welding
B] For measuring the depth of weld
C] Oxygen is store in a cylinder is called
D] Acetylene gas is store in a Cylinder is called
Ans: 1- B 2- A 3- C 4- D
20] Match the drilling attachments with uses.
1) Drill Chuck 2) Drill Sleeve 3) Drill Drift 4) Drill bit
Uses: A] For making hole on a job
B] To remove the big drill or sleeve from spindle
C] To hold the shanks of different size from spindle of machine.
D] To hold the drills.
Ans: 1- D 2-C 3- B 4- A
21] Match the tools with uses.
1) Counter boring 2) Counter sinking 3) spot facing 4) Reaming
Uses: A] making enlarging top of holes to round head screw to sit
B] Making cone shaped enlarging of hole months for counter shrunk screw to fit
C] Making accurate size of hole and finishing
D] Make level for sealing of washer keys.
Ans: 1- A 2- B 3-D 4- C
22] match the lathe accessories with used
1) Chuck 2) Carrier 3) Catch plate 4) Face Plate
Uses: A] To grip the jobs is tightened in and slots with the help of nut- bolts
B] To grip the jobs to be turned
C] To gripping bent types jobs
D] The jobs tied in this and fitted in the catch plate
Ans: 1- B 2- D 3- C 4- A
23] match the lathe accessories with used
1) Steady rest 2) mandrel 3) Lathe centre 4) Tail stock
Uses: A] To support a cylindrical lengthy job
B] For turning a job along its entire length and for speed up the production process
C] It is fitted with head stock, and tail stock to grip job.
D] For centre to centre turning of lengthy.
Ans: 1- A 2- B 3- C 4- D
24] match the following fastener with used
1) Nut 2) Bolt 3) Rivet 4) Screw
Uses: A] To join small parts of machine B] To join two metallic sheets.
C] For fastening purposes, it having a threaded hold in it.
D] For fastening purposes the cylindrical rod have threaded on one end and
head is another end
Ans: 1-C 2- D 3- B 4- A
25] Match the following with uses.
1) Stud 2) Cotter 3) pin 4) Key
Uses: A] The piece of metal inserted on axial direction between hub and shaft and making
Them to rotate jointly
B] For locking jointly
C] To join two such parts of machine it having standard threads on both ends.
D] To join two parts of a machine like a key
Ans: 1- C 2- D 3- B 4-A
26] Match the following with uses.
1) Jigs 2) Fixture 3) Template 4) Washer
Uses: A] To protect the threads of bolt or screw and helps loosening nut easily.
B] To hold the job and guide the tool
C] To hold the job during turning, milling and shaping operation
D] For marking similar jobs at a time and also used for checking.
Ans: 1- B 2- C 3- D 4 – A
27] Match the following with uses.
1) Lubricator 2) Lubricant 3) Coolant 4) Lubrication
Uses: A] Increase tool life and protects job from rust
B] To lubricate the machine parts
C] Increase the machine life and protects the jobs from rust
D] The process of putting lubricant at the places of Friction between two different parts of a
machine
Ans: 1- B 2- C 3- D 4- B
28] Match the following with uses.
1) Abrasive 2) Bond 3) Aluminum Oxide 4) Grinder
Uses: A] To making grinding wheel
B] To giving fine finish to surface of job
C] To blind Abrasive grains to making grinding wheel
D] Artificial abrasive.
Ans: 1- A 2- C 3- D 4- B
29] Match the following with uses.
1) Welding transformer 2) Generator 3) Rectifier 4) Bearing
Uses: A] To give support to the shafts while they are in motion
B] Convert the AC main supply into Ac welding supply
C] To convert AC into DC welding supply
D] To generate DC for Arc welding
Ans: 1- B 2- D 3- C 4- A
30] Match the following with definitions.
1) Stress 2) Strain 3) Opaque 4) Conductivity
Uses: A] Change in length/Original length
B] Load / Area of cross section
C] We cannot see through metals.
D] The ability to carry the electrical current or heat.
Ans: 1- B 2- A 3 – C 4- D
31] Match the following with properties.
1) Toughness 2) Brittleness 3) Ductility 4) Malleability
Properties: A] Metal can draw into wires.
B] Metal can be hammered or rolled out without breaking or cracking.
C] It does not break or deform even after bending or twisting.
D] The metal breaks and disintegrates into pieces.
Ans: 1- C 2- D 3- A 4- B
32] Match the following with Flames.
1) Equal quality of oxygen and acetylene gas
2) Percentage of Acetylene gas is less than Oxygen.
3) Percentage of Acetylene gas is more than Oxygen.
Flames: A] Neutral Flames
B] Carburizing Flame
C] Oxidizing Flame
Ans: 1- A 2- C 3- B
33] Match the following pulleys with machine.
1) Stepped pulley 2) V. Grooved pulley 3) Split Pulley 4) Cone Pulley
Uses: A] In electric motors and Automobiles
B] In drilling machine, lathe machine
C] In saw machine
D] In a set of two pulleys.
Ans: 1 – B 2 - A 3 – C 4 – D
34] Match the following with Products.
1) Blast Furnace produce 2) Cupola Furnace produce 3) Puddling Furnace Produce
Products: A] Pig Iron
B] Cast Iron
C] Wrought Iron
Ans: 1- A 2- B 3- C
35] Match the percentage of carbon contect with steels.
1) Low Carbon Steel 2) High carbon steel 3) Medium Carbon Steel
Percentage of Carbon: A] 0.7 % to 1.5 %
B] 0.3 % to 0.7 %
C] 0.07 % to 0.25 %
Ans: 1- C 2 – A 3- B
36] Match the following fits with definition.
1) Clearance fit 2) Transition Fit 3) Interference Fit
Defination: A] Shaft size is less than hole size
B] Shaft size is equal to hole size
C] Shaft size is bigger than whole size
Ans: 1- A 2- B 3- C
37] Match the following Files with uses.
1) Straight file 2) Cross File 3) Draw File 4) File card.
Uses: A] The metal quickly cut.
B] The entire job becomes plain and smooth
C] Method is done to bring finishing on the job
D] To remove chips.
Ans: 1 – A 2 - B 3- C 4- D
38] Which file is used to rapid removed of soft materials such as aluminum lead, wood and
leather?
1) Single cut file 2) Double cut file 3) Rasp Cut File 4) Curved cut File
39] Which file having 12 teeth per cm?
1) Rough File 2) Bastard File 3) Smooth File 4) Dead Smooth File.
40] Which blade is hardened to the full length between the pin holes?
1) Flexible blade 2) Spring back blade 3) All hard blade 4) Flexible Center blade
41] Wave set of blade pitch is
1) 0.8 mm 2) 1.0 mm 3) over 1.0 mm 4) Below 0.8 mm
42] Which blade is used to cut slots and contours?
1) Circular Saw blade 2) Machine Saw Blade 3) Rod Saw Blade 4) Hand Hack Saw Blade
43] Match the uses with chisels.
1) Flat Chisel 2) Cross cut chisel 3) Half Round nose chisel 4) Diamond point Chisel 5) Web
Chisel
Uses: A] For cutting key ways grooves and slots.
B] For cutting curved grooves.
C] To remove metal from large flat surfaces and chip excess metal off weld joint and casting
D] For squaring materials at the corners.
E] For separating metals after chain drilling.
Ans: 1 - C 2 – A 3 - B D - 4 E – 5
44] Match the Uses with Scrapers.
Uses: 1) to clean the corner 2) For scraping high spots between bearing and bushes
2) For Scraping broad surfaces 4) For Scraping high spots of plain surface.
5) For common work
Scrapers: A] Flat Scraper B] Triangle Scraper C] Hook Scraper
D] Half Round Scraper E] Double handle Scraper
Ans: 1- B 2 - D 3 - E 4 - A 5- C
45] Which tool is used to marking lines on metal draw a scribe line to indicate Dimensions?
1) Scraper 2) Divider 3) Scriber 4) Punch
46] For testing an angle other than 90º
1) Try Square 2) Protractor 3) Scribing Block
47] For testing parallelism use:
1) Try Square 2) Protractor 3) Scribing Block
48] For checking Squareness , to measure the right angles.
1) Try Square 2) Protractor 3) Scribing Block
49] The tool, which is used for registered mark to keep up the lines visible till the operation is over
The operation is over 1) Chisel 2) Divider 3) Scriber 4) Punch
50] Match the vices with uses.
1) Bench vice 2) Carpenter Vice 3) Leg Vice 4) Pipe Vice
Uses A] To hold job firmly and also called as fitter vice
B] To hold job for hammering chipping cutting in black smithy shop. It is also called
As black smithy vice
C] To holding circular sections of metal parts, tubes, pipes etc.
D] To hold the wood item in carpenter shop
Ans: 1 – A 2 – D 3 – B 4 - C
51] Match the foot rules with uses.
Rules: 1) Shrink Rule 2) Short rule 3) Folding rule 4) Foot rule
Uses A] Used by pattern maker
B] Used by machinist and die makers
C] Used by Carpenters.
D] Used for physically measuring any articles.
Ans: 1 – A 2 – B 3 – C 4 – D
52] Match the following parts of vice with material.
1) The box nut of a bench vice is made of 2) The bench vice spindle is made of
3) The jaw plate of bench vice is made of 4) Steel rule is made of
Material: A] Stainles steel B] Phosphorous bronze
C] Mild steel D] Tool Steel
Ans: 1 –B 2 – C 3 – D 4 – A
53] Match the instrument s with least count
1) Steel rule 2) Vernier Caliper 3) Micrometer 4) 1 Cm
Least Count: A] 0.5 mm B] 0.01mm C] 0.02mm D] 10mm
Ans: 1 – A 2 – C 3 – B 4 – D
54] The tool which is used to support the job and to provide a vertical or angular plane for marking
1) Try Square 2) Scribing black 3) Angle plate 4) Surface Plate
55] The slots are provided an angle plate for:
1) Accommodating bolts 2) Hanging with hooks 3) reducing weight 4) Aligning the work
56] The tool which is stated by size number
1) Surface plate 2) Angle plate 3) Marking table 4) V block
57] Match the parts of combination set with their uses.
1) Square head 2) Centre head 3) Protractor Head
Uses of head: A] Marking and measuring any angle
B] Checking the 45 degree and 50 degree angle
C] To find the centre of cylindrical job
Ans: 1 – B 2 - C 3 – A
58] Match the Gauges with uses.
1) Drill Gauge 2) Drill Point Gauge 3) Centre Gauge 4) Feeler Gauge
Uses: A] To measure the size of drill
B] To check the lip angle of drill bit after grinding
C] To determined size of small gauge and clearance
D] To Cutting tool for the cutting V threads.
Ans: 1 – A 2 – B 3 – D 4 –
59] The file used for general purpose filing is called
1) Square File 2) Flat File 3) Mill file 4) Hand file
60] Pig Iron is refined to produce cast iron in Furnace called
1) Blast Furnace 2) Cupola Furnance 3) Puddling Furnace 4) Bessemer Method
61] Pig iron is refined in a puddling Furnace and the product is known as:
1) Pig Iron 2) Cast Iron 3) Wrought Iron 4) Steel
62] The File which is used for Round purpose is called.
1) Flat File 2) Triangle file 3) Round file 4) Square File
63] The file is pushed and pulled over the job. This every two actions are called.
1) One Stroke of File 2) Two stroke of file 3) Three stroke of files 4) Four Stroke of file
64] The type of file which is commonly used in lathe work is called
1) Warding file 2) Needle file 3) Mill file 4) Piller file
65] The act of joining slip Gauges is termed as:
1) Grouting 2) Creeping 3) Seaming 4) Wringing
66] If in a micrometer, Zero on barrel and thimble are coinciding but still thee is gap between the
face Anvils the error is known as:
1) Positive error 2) Negative error 3) Zero error 4) Normal error
67] The hammers with head made of lead, copper are called:
1) Soft hammer 2) Hard hammer 3) Mallet 4) Sledge hammer
68] The tool is used to finish drilled hole is called:
1) Reamer 2) File 3) Hacksaw 4) Drill
69] While drilling a large hole, a small size hole is first drilled the hole is known as:
1) Latest hole 2) Minor hole 3) Pilot hole 4) Drilled hole
70] Back portion of the drill cutting edge is known as:
1) Shank 2) Flutes 3) Dead Centre 4) Heel
71] Last pointed end of the drill is called:
1) Lip 2) Dead Centre 3) Shank 4) Heel
72] Cutting inside thread is called
1) Tapping 2) Reaming 3) Dyeing 4) Drilling
73] Cutting outside thread is called
1) Tapping 2) Reaming 3) Dyeing 4) Drilling
74] The top surface which joints the two sides of a thread is known as:
1) Root 2) Crest 3) Pitch 4) Lead
75] The bottom surface which joints the two sides of thread is known as:
1) Crest 2) Root 3) Lead 4) Pitch
76] The included angle between the sides of thread measured in an axial plane is known as:
1) Angle of thread 2) Pitch of thread 3) Depth of thread 4) Form of thread
77] The surface of the thread which connects crest and the root is known as:
1) Flank or side 2) Crest 3) Root 4) Pitch
78] The property due to which any metal can cut other metal is called:
1) Hardness 2) Brittleness 3) Toughness 4) Ductility
79] An alloy of copper and zinc is called:
1) Brass 2) Bronze 3) Lead 4) Gold
80] An alloy of copper and tin is called:
1) Brass 2) Bell metal 3) Bronze 4) 2 and 3
81] An alloy of copper, tin and zinc is called:
1) Brass Metal 2) Bronze Metal 3) Gun Metal 4) Soft Metal
82] Brittleness in the metal when hot is called
1) Hot Shortness 2) Hot highest 3) Hot weakness 4) Hot Minus
83] A key with head is called
1) Gib Head key 2) Wood ruff key 3) Feather Key 4) Round Key
84] Joining of two metals together without melting is known as:
1) Riveting 2) Welding 3) Soldering 4) Brazing
85] The mutual connection between two joining parts is called:
1) Fit 2) Limit 3) Loose 4) Tolerance
86] The difference between upper limit and lower limit is called:
1) Tolerance 2) Allowance 3) Bilateral tolerance 4) UNMATERAL tolerance
87] It is an intentional difference in the size of mating part is called:
1) Tolerance 2) Interference 3) Allowance 4) Transition
88] The device for guiding the tool s called
1) Fixture 2) Jigs 3) Clamp 4) Leg vice
89] A shaft at centre of wheel is called
1) Axel 2) Housing 3) Cylindrical rod 4) Square rod
90] The maximum dia of work which can accommodate when held between centres in lathe is
known:
1) Swing diameter 2) Core diameter 3) Major diameter 4) Length of bed
91] Double helical gears are called:
1) Herring bone gear 2) spur gear 3) Bevel Gear 4) Worm gear
92] The process of increasing cross section of a bar at the expanded of its length by forging is
called:
1) Upsetting 2) Drawing out 3) Drifting 4) Jumping
93] Front end of Anvil is called
1) Face 2) Base 3) Beak 4) Hardie
94] The square hole of the tail end of Anvil is called:
1) Base 2) Face 3) Hardie Hole 4) Punch Hole
95] Before welding the joining parts of the assembly is kept at square specific distance is called:
1) Root Gap 2) Blow Hole 3) Porosity
96] Any change that occurs during welding in shape and size of joining pieces is known as:
1) Distartion 2) porosity 3) Root Gap 4) Blow hole
97] A group of pin hole in the weld is called:
1) Porosity 2) Distartion 3) Root Gap 4) Blow Hole
98] A large hole in the weld is called:
1) Blow hole 2) Punch Hole 3) Hardie hole 4) Face
99] The distance between adjacent teeth is known as:
1) Pitch of the blades 2) All bard blade 3) flexible blade 4) Flank
100] an operator who does fitting something is called:
1) Fitter 2) Turner 3) Machinist 4) Welder
101] Fitter is also called
1) Electrician 2) Technician 3) Good person 4) Wireman
102] Hand hacksaw blade is called
1) All hard blade 2) Low Tungsten blade 3) Low carbon steel blade 4) Jewellery blade
103] A Chemical compound of carbon with Iron is called
1) Ferrite 2) Pearlite 3) Cementite 4) Austenite
104] the distance, which the cutting edge of tool passes over the material in a minute while
Machining is known as:
1) R.P.M. 2) Feed 3) Machine Speed 4) Cutting Speed
105] The process of applying oxide on aluminium is known as:
1) Oxidizing 2) Anodizing 3) Galvanizing 4) Cyninding
106] Material used for coating the welding electrode is called:
1) Binder 2) Deoxidiser 3) Protective layer 4) Flux
107] the portion behind the cutting edge is grinded at a special angle it is known as:
1) Rake angle 2) Lip angle 3) cutting angle 4) Clearance angle
108] steel which contain 0.8 % to 2.1% of carbon is called:
1) Hypo eutectoid steel 2) Eutectoid steel 3) Hyper eutectoid steel 4) Carbon
109] the art of cutting the corners of metallic sheet for making cuboid shaped job is called:
1) Seaming 2) Punching 3) Notching 4) Piercing
110] the chemical method of cleaning is called:
1) Picking 2) Smelting 3) Piercing 4) Swazing
111] Rod with threads on both ends is called as;
1) Nut 2) Bolt 3) Stud 4) Tapped Nut
112] A minimum measurement that can correctly read with a vernier caliper is called:
1) Zero reading 2) Least count
3) Main scale Reading 4) Actual reading minus zero error
113] an angle which is less than 90 degree is called:
1) Shluse angle 2) Acute angle 3) Right angle 4) None of the above
114] a plug Gauge which has its “Go” and “No Go” sizes on the same end is known as:
1) Single ended plug gauge 2) Double ended plug Gauge
3) Progressive plug Gauge 4) Continuous plug Gauge
115] the cutting tool used to finish and enlarge a hole is known as:
1) Drill 2) Tap 3) Die 4) Reamer
116] the grooves provided on the entire length of the body of a twist drill are called:
1) Lips 2) Margins 3) Flutes 4) Webs
117] a hole which is not made through full depth of component is known as:
1) Core hole 2) Pin hole 3) Blind Hole 4) Bore Hole
118] the relief angle given behind the cutting lips is called:
1) Lip clearance angle 2) Helix angle 3) Rake angle 4) Chisel edge angle
119] the process of beveling the end of existing hole is called:
1) Spot facing 2) counter boring 3) Boring 4) counter Sinking
120] the distance a drill advances into job is one complete revolution is known as:
1) R.P.M. 2) Cutting speed 3) Feed 4) Machine speed
121] the distance through which a screw advances axially in one turn is called:
1) Pitch of thread 2) Lead of thread 3) Depth of thread 4) Diameter of thread
122] a drilled hole after tapping is called:
1) Core hole 2) chain hole 3) Tapped hole 4) Reamed hole
123] in a gear, the pitch diameter divided by the number of teeth is called:
1) Module 2) Pitch 3) Addendum 4) Dedendum
124] the height from the pitch circle of a gear to the tip of the tooth is called:
1) Addendum 2) Dedemdum 3) Centre distance 4) Crest
125] the sum of addendum and dedendum of the tooth of gear is called:
1) Whole depth 2) Tooth depth 3) Working depth 4) Root depth
126] the depth of the tooth space a gear below the pitch circle is called:
1) Addendum 2) Dedendum 3) Centre distance 4) crest
127] the measure size of the dimension of a component is called:
1) Basic size 2) Nominal size 3) Allowed size 4) Actual size
128] In case hardening process ammonia gas is introduced on steel the process is known as:
1) Cyaniding 2) Nitriding 3) Carburizing 4) Anodising
129] during heat treatment when carbon is dissolved to form solid solution it is known as:
1) Ferrite 2) Pearlite 3) Austenite 4) Cementide
130] the process of increasing carbon percentage on the surface of low-carbon steel is known as:
1) Hardening 2) Nitriding 3) Carburizing 4) Tempering
131] the process of reduction of the iron ore to pig iron is known as:
1) Swazing 2) Smelting 3) Seeming 4) Scraping
132] the process of heating steel to about 40 degree above the upper critical temperature and
cooling it in still air to room temperature is known as:
1) Hardening 2) Annealing 3) Normalising 4) Tempering
133] the thickness of sheet metal is indicated by a series of numbers, which is called as:
1) Number size 2) Standard wire gauge 3) Standard size 4) None of the above
134] the type of the hammer which both the faces are flat and which is used for heavy work in
smithy shop is called:
1) Bell pane hammer 2) Cross pane hammer 3) Claw hammer 4) Sledge hammer
135] Smooth side of a leather belt is called:
1) Flesh side 2) Hair Side 3) Right side 4) Left side
136] the pulley from which power is taken is called:
1) Driver pulley 2) Driven Pulley 3) Cone Pulley 4) Stepped pulley
137] the pulley to which power is taken is called:
1) Driver pulley 2) Driven Pulley 3) Cone Pulley 4) Stepped pulley
138] Ability of one material to penetrate into another without Fracture is called:
1) Toughness 2) Hardness 3) Brittleness 4) Malleability
139] Characteristic of metal by which they become Fluid through the Application of heat is called:
1) Fusibility 2) Tencity 3) Conductivity 4) Malleability
140] Oil in water Emulsion is called:
1) Cooling liquid 2) Cutting emulsions 3) Viscosity
141] Water in oil Emulsions is called
1) Cutting emulsions 2) Cooling liquid 3) Viscosity
142] the factor ultimate strength/ allowable unit stress is called as:
1) Stress 2) Strain 3) Factor of safety 4) Modulus of Elasticity
143] Jenny Caliper is also called:
1) Odd leg caliper 2) Hermaphrodite caliper 3) Venier Caliper 4) 1 & 2
144] Curved cut file is also called is:
1) Single cut file 2) Second cut file 3) Rasp cut 4) Vexin File
145] Wing nut is also called:
1) Cup nut 2) Ring Nut 3) Square Nut 4) Fly Nut
146] Land is also called:
1) Flutes 2) Lip 3) Margin 4) Shank
147] Centre drill is also called:
1) Combunation drill 2) shell drill 3) spiral drill 4) wood working drill
148] Spiral Fluted reamer is also called:
1) Rose Reamer 2) Helical Fluted Reamer 3) Pilot Reamer 4) Shell Reamer
149] Second tap is also called:
1) Fluteless tap 2) Master tap 3) Intermediate tap 4) Extension tap
150] Pitch dia is also called:
1) Effective dia 2) Major Dia 3) Minor dia 4) Crest
151] Minor dia is also called:
1) Effective dia 2) core dia 3) Root 4) Crest
152] Dial test indicator is also called:
1) Indicating gauge 2) Balanced dial test indicator
3) Universal test indicator 4) Universal Junior indicator
153] Surface gauge is also called:
1) Scribing Block 2) V Block 3) Parallel Block 4) Marking instrument
154] Hand file is also called:
1) Knife edge files 2) Half round file 3) Safe edge file 4) Warding file
155] Micrometer is also called
1) Slip gauge 2) Screw gauge 3) Plug gauge 4) Ring gauge
156] Catch plate is also called:
1) Driving plate 2) Face plate 3) Steady rest 4) Mandrel12.
157] Carrier is also called
1) Chuck 2)' Dog' 3) Mandrel 4) Lather centre
158] Swaging is also called:
1) Upsetting 2) Hollowing 3) Grooving 4) Corrugating
159] Basic size is also called for:
1) Nominal size 2) Actual Size 3) Original theoretical size 4) A & C
160] Right hand thread is also called as:
1) Tapered thread 2) Simple thread 3) Worm thread 4) Knuckle thread
161] Profile gas cutting machine is also called:
1) Cross carriage cutting machine 2) Large circle cutting machine
162] Four jaw chuck is also called:
1) Self centering chuck 2) Magnetic chuck 3) Independent chuck or universal 4) collet chuck
163] Three jaw chucks is also called:
1) Magnetic chuck 2) self centering chuck 3) collet chuck 4) Universal chuck
164] Double helical gears are also called:
1) Bevel gear 2) spur gear 3) Worm gear 4) Herring bone gear
165] Low carbon steel is also called:
1) Mild steel 2) High speed steel 3) Stainless steel 4) Venadium steel
166] the process of cutting a groove on a circular hole is called:
1) Spot facing 2) Blanking 3) Shearing 4) Trepanning
167] The process of cooling steel piece in oil or water after heating its upper critical point is called:
1) Hardening 2) Tempering 3) Quenching 4) Annealing
168] the process of joining the various parts of the machine is called:
1) Riveting 2) Fastening 3) Brazing 4) Welding
169] the process of joining two metallic sheets is called:
1) Fastening 2) Riveting 3) Soldering 4) Blanking
170] the process of zinc coated on the Iron is called:
1) Anodizing 2) Galvanizing 3) Tining 4) Painting
171] the process of Tin solution CC at the Iron is called:
1) Galvanising 2) Tinning 3) Painting 4) Electroplating
172] Steel rule is made of:
1) Cast iron 2) Zinc 3) Brass 4) Stainless steel
173] File is made of: 1) H.S.S. 2) H.C.S. 3) Cast Iron 4) Special tool steal
174] Scriber is made of:
1) H.C.S. 2) H.S.S. 3) Pig Iron 4) Cast Iron
175] Surface plate is made of :
1) Cast Iron or granite 2) Wrought Iron 3) pig Iron 4) Cast iron
176] Chisel is made of:
1) Pig iron 2) Cast Iron 3) H.C.S. 4) H.S.S.
177] Twist drill is made of
1) High speed steel 2) Low carbon steel 3) Cast Iron 4) Tungsten steel
178] the bench vice spindle is made of:
1) Mild steel 2) Cast Iron 3) Tool steel 4) Bronze
179] The Box Nut of a bench vice are made of
1) Tool steel 2) Mild steel 3) Cast Iron 4) Phosphorus bronze
180] the jaw plates of bench vice is made of:
1) Cast Iron 2) Bronze 3) Mild steel 4) Tool steel
181] Hack saw blade is made of :
1) High carbon steel 2) Low carbon steel 3) High speed steel 4) Mild steel
182] Leg vice is made of
1) Tungsten Steel 2) Forged Steel 3) Mild steel 4) Low carbon steel
183] Slip Gauges is made of:
1) Low carbon steel 2) High grade steel with low thermal expansion 3)Mild steel 4) Bronze
184] Grinding wheel is made of:
1) Abrasive 2) Bronze 3) Low carbon steel 4) Forged Steel
185] Bearing is made of:
1)Gun metal 2) Brass 3) bronze 4) Tool steel
186] Crane Hook s is made of:
1) Wrought Iron 2) Tool steel 3) Cast Iron 4) Forged steel
187] Drilll jig Bushings are made of:
1) Tool steel 2) Low carbon steel 3) Alloy steel 4) Mild steel
188] Gauges are made of :
1) Alloy steel 2) Mild steel 3) Cast Iron 4) Tungston Steel
189] Bulb Fitments is made of:
1) Alloy steel 2)Bronze 3)Tungston Steel 4) Chromium Steel
190] Shaving blade is made of :
1) Stainless steel 2) Chromium Steel 3) Tungston Steel 4) Mild steel
191] Lathe bed is made of:
1) Pig Iron 2) Wrought Iron 3) Cast Iron 4) Alloy steel
192] G.I.Pipe and Nails is made of:
1) Cast Iron 2) Wrought Iron 3) Pig Iron 4) Low cabon steel
193] Railway line is made of:
1) Chromium steel 2) Manganese steel 3) Vanadium steel 4) Tool steel
194] Coins are made of:
1) Silver 2) Brass 3) Bronze 4) Mild steel
195] Watch parts are made of:
1) Chromium Steel 2) Vanadium Steel 3) manganese Steel 4) Low carbon steel
196] Electrician equipments is made of
1) Gold 2) Siler 3) Copper 4) Zinc
197] Aeroplane made of:
1) Sheet metal 2) Bronze metal 3) Mild steel 4) Low carbon steel
198] Solid Forged Boring Tool is made of:
1) High carbon steel 2) High speed steel 3) Cast iron 4) Mild steel
199] Micrometer is made of:
1) Nickle Chromium Steel 2)Bell Bronze 3) Stainless steel 4) Manganese Steel
200] Vernier caliper is made of:
1) Nickle Chromium Steel 2)Bell Bronze 3) Stainless steel 4) Manganese Steel
201] Swage Block is made of:
1) Cast iron 2) Wrought Iron 3) High Speed steel 4) High carbon steel
202] Anvil is made of:
1) Cast steel with a welded hardened steel 2) Pig Iron 3)Wrought Iron 4) Alloy Steel
203] Point angle of scriber is :
1) 60degree 2) 30 degree 3) 5 to 10 degree 4) 12 to 15 degree
204] The point angle of Centre Punch is:
1) 30 degree 2) 60 degree 3) 90 degree 4) 120 degree
205] V Block is used to hold round bars it has a vee groove which is usually:
1) 30 degree 2) 60 degree 3) 90 degree 4) 120 degree
206] V Blocks are available in grade of:
1) 0 &1 2) 1 & 2 3) A1 & A2 4) A & B
207] For general purpose a bench vice is fixed at a height of:
1)80 cm 2) 90 cm 3) 106 cm 4) 125 cm
208] Generally the length of the handle of a vice is:
1) 1.5 times the nominal size of the vice 2) 2.5 times the nominal size of the vice
3) 3.5 times the nominal size of the vice 4) 4.5 times the nominal size of the vice
209] The minimum measurement that can be read with the help of a steel rule is:
1) 0.01 mm 2) 0.02 mm 3) 0.05 mm 4) 0.50 mm
210] The length of the hammer handle for a 500 gm. Hammer should be about:
1) 275 mm 2) 300 mm 3) 325 mm 4) 350 mm
211] The least count of vernier caliper is:
1) 0.01 mm 2) 0.02 mm 3) 0.05 mm 4) 0.08 mm
212] The least count of Metric Micrometer of:
1) 0.05 mm 2) 0.50 mm 3) 0.01 mm 4) 0.10 mm
213] The least count of Vernier Height Gauge is:
1) 0.02 mm 2) 0.01 mm 3) 0.05 mm 4) 0.20 mm
214] The least count of vernier bevel protractor is:
1) 1` 2) 5’ 3) 10‟ 4) 25‟
215] The value of each Vernier scale division of vernier bevel protractor is:
1) 1 degree 2) 5‟ minute 3) 1 degree 55’minute 4) 2 degree
216] The value of each main scale division of vernier bevel protractor is:
1) 1 degree 2) 5‟ minutes 3) 1 degree 55 second 4)1/2 degree
217] The Least count of Universal bevel protractor is:
1) 0.5 minutes 2) 5” minutes 3) 5‟ second 4) 5 degree
218] The Least count of vern ier depth gauge is
1) 0.10 mm 2) 0.01 mm 3) 0.20 mm 4) 0.02 mm
219] The Least count of Vernier Caliper is equal to:
1) The Value of 1 MSD – Value of 1 VSD 2) The value of 2 MSD – value of 1 MSD
3) The Value of 2 MSD - Value of 1 VSD 3) The Value of 1 MSD + value of 1 VSD
220] Accuracy of reference gauge is:
1) 0.05 mm 2) 0.01 mm 3) 0.001 mm 4) 0.0001 mm
221] Hardness of slip gauges should be:
1) Less than 50 HRC 2) 55 HRC 3) 50 HRC 4) 63 HRC
222] For general use in workshop, slip gauge of which grade are used:
1) Grade – I 2) Grade – II 3) Grade – 0 4) None of the above
223] The point angle of twist drill for general purposes is:
1) 135 degree 2) 118 degree 3) 90 degree 4) 60 degree
224] The lip clearance angle of Twist drill for general purpose should be
1) 3 to 5 degree 2) 4 to 6 degree 3) 8 to 12 degree 4) 12 to 15 degree
225] The angle of drill grinding gauges is:
1) 59 degree 2) 118 degree 3) 121 degree 4) 124 degree
226] The cutting angle of a chisel for chipping aluminium is:
1) 30 degree 2) 55 degree 3) 60 degree 4) 70 degree
227] The most suitable pitch of the hacksaw blade for cutting thin section tubes is:
1) 0.8 mm 2) 1.0 mm 3) 1.4 mm 4) 1.8 mm
228] The suitable pitch of hacksaw for cutting solid brass is:
1) 1.8 mm 2) 1.4 mm 3) 1.0 mm 4) 0.8 mm
229] The taper shank of a drill of 20 mm diameter has:
1) MT -1 Taper 2) MT – 2 Taper 3) MT – 3 Taper 4) MT -4 Taper
230] A standard taper given on a taper key is:
1) 1 : 50 2) 1 : 100 3) 1 : 48 4) 1 : 96
231] The angle of‟ V‟ thread ( „V‟ shaped ) is a:
1) 47 ½ degree 2) 50 degree 3) 60 degree 4) 29 degree
232] The size of Engineer vice is specified by:
1) Width of jaw 2) Length of movable jaw 3) Length of spindle 4) None of the
above
233] The size of angle plate is specified by:
1) Weight 2) Length 3) Size number 4) Length X width
15.
234] The size of Hammer is specified by:
1) Type of Hammer 2) Size and range of Hammer 3) Type of material 4) all of the above
235] The size of vernier height gauges specified by:
1) Width of the beam 2) Height of the beam 3) Weight of the beam 4) size of the
scriber
236] The size of drilling machine is specified by:
1) Capacity of machine 2) Types of drilling machine 3) speed of spindle 4) all of the above
237] The size of twist drill is specified by:
1) Size of drill in diameter 2) Types of shank of drill bit
3) Types of material manufactured 4) All of the above
238] The final tap specified by:
1) Material 2) Size of Tap 3) Types of Tap 4) All of the above
239] The size of Grinding wheel is specified by:
1) Speed of grinding wheel 2) Types of grinding wheel
3) capacity of Grinding 4) All of the above
240] The size of Micrometer specified by:
1) Range of Micrometer 2) Types of Micrometer 3) Shape of Micrometer 4) All of the above
241] The bearing is specified by:
1) outer dia of bearing 2) Bore dia of bearing 3) Width of the bearing 4) All of the above
242] The square thread specified by:
1) Angle of thread = 90 2) Depth of thread =0.5 X pitch
3) Crest and root = 0.5 X pitch 4] All of the above
243] The lathe specified by:
1) length of the lathe bed 2) Height of the base from centre
3) Swing over the bed or swing over carriage 4) All of the above
244] The chuck specified by :
1) Capacity of chuck 2)Width of chuck 3) Diameter of chuck 4) All of the above
245] A Rivet is specified by the diameter:
1) Head diameter 2) Tail 3) Shank 4) All of the above
246] The size of sine bar specified by the:
1) Weight 2) Measurement of width 3) Maximum angle of setting 4) All of the above
247] Single cut file used for filing:
1) Hard Material 2) Soft Material 3) Aluminium 4) A & B
248] When not in use the steel rule:
1) Apply the thin Layer of oil 2) Clean by kerosene or water 3] Keep it in soft cloth
249] which joint is a permanent joint:
1) Bolt and Nut 2) Araldite bonding 3) Riveting 4) Welding
250] One Micron is a:
1) 0.01 mm 2) 0.001 mm 3) 0.001 inch 4) 0.0001 mm
251] Sine bar is used to measure:
1) Squareness 2) Parallelism 3) Pitch diameter 4) Angle of taper
252] Hexagonal Nut has number of:
1) Sixteen 2) Eight 3) Four 4) Six
253] Which of the following methods produce accurate size holes:
1) Drilling 2) Reaming 3)Tapping 4) Broaching
254] Least count of an ordinary micrometer is:
1) 0.1 mm 2) 0.01 mm 3) 0.2 mm 4)0.02 mm
255] Which of the following machining operation give better surface finish:
1) Honing 2) Boring 3) Grinding 4) Reaming
256] Cutting tools are made of :
1) High speed steel 2) Spring steel 3) Mild steel 4) stainless steel
257] Which file is used to remove more material from work piece:
1) Rough file 2) Smooth file 3) Jeweler file 4) None of the above
258] Three wire method is used to measure
1) Minor diameter 2) Pitch 3) Pitch diameter 4) Angle
259] Bevel gear is used to transmit power between shaft which are:
1) Parallel 2) Co – axial 3) At An angle 4) None of the above
260] Which of the following is not used for power transmission:
1) Bearing 2) Belt drive 3) Gears 4) splines
261] Which of the following gauge is used for checking internal threads:
1) Thread ring gauge 2) Thread plug gauge 3) Snap gauge 4) Slip gauge
262] Slip gauge blocks are used:
1) To set dimension 2) to calorate instruments 3) To set sine bar 4) All of the above
263] While filing metal will be removed in:
1) Forward stroke 2) Backward stroke 3) Both 4) Depends on file
264] Stainless steel is an alloy of:
1) Chromium & Nickel 2) Chromium, Iron & Nickel
3) Chromium, nickel, Iron & Carbon 4) Tungston, Chromium & Vanadium
265] Horsepower is unit of
1) Energy 2) Distance jumped by Horse in meter 3) No. of Horses 4) Cylinders I an Engine
266] Plug Gauge is the instrument used for checking:
1) Roughness 2) Flatness 3) Thickness 4) Hole ( internal dia )
267] Spirit level is used for:
1) Checking the straightness of cutting tool 2) Checking the straightness of machine spindle
3) Checking the straightness of surface 4) Checking perpendicularity
268] Machine beds are made of:
1) cast Iron 2) Staineless Steel 3) Cm Steel 4) High speed steel
269] In a turning operation on a lathe:
1) Tool rotates 2) Job rotates 3) Both tool and job rotates 4)Both tool and job do not rotate
270] Which of these is not a measuring instrument:
1) Micrometer 2) Slip gauges 3) Vernier Caliper 4) Cross Slide
271] The intentional difference between two mating parts is known as:
1) Limit 2) Allowance 3) Tolerance 4) Precision
272] Fuel used in most of the Auto-mobiles:
1) High octane Aviation fuel 2)Servo Super Lubricating Oil
3) high speed Diesel Oil 4) Engine Oil
273] Specific gravity of Mild Steel is:
1) 7.86 2) 4.5 3) 1.6 4) 2.89
274] The following is not a joining process: 1) Riveting 2) welding 3) Soldering 4) Broaching 275] Scriber points are very: 1) Blunt 2) Sharp 3) Mild 4) Hard 276] Lead screw is mounted on: 1) Vaccum Bed 2) Jigs 3) Pull studs 4) Machine 277] Centre drilling is an operation of: 1) Drilling and counter sinking 2) Drilling and counter boring 3) Marking the centre location before drilling 4) Enlarging the diameter of a hole 278] The convexity of files helps: 1) To file concave surfaces 2) To file convex surfaces 3) The files to become straight when pressure 4) To prevent roughing of edges of work is applied 279] Clamps are used for the purposes of: 1) Carrying material from machine to machine 2) Preventing movement of work 3) Preventing scratch on machined components 4) Maintaining accuracy 280] Tab washers are used for: 1) Preventing vibration 2) Locking the nuts 3) Self locking 4) Fastening structural fabrication work
281] For machine shop operations the work piece must be held property otherwise: 1) The machine will not function 2) Damage to work and tool 3) The cutting tool will become blunt 4) The operation cannot measure the work piece
282] To measure the machined or field surface, which one of the following instrument can be used: 1) Gauge 2) Dial Test indicator 3) Sine bar 4) Vernier Caliper 283] Washer help to: 1) improve appearance 2) Distribute force over a larger area 3) Distribute force to the bolt 4) Cover the clearance hole of the workpiece
284] The relationship existing between the lateral strain and the axial strain is expressed by: 1) Poisson's ratio 2) Hook's law 3) Young's Modulus 4) None 285] Rackwell test is done to measure: 1) Hardness 2) Hook saw 3) Length 4) Ductility 286] The heat treatment generally carried out of soften the metal is:
1) Normalising 2) Annealing 3) Hardening 4) Carburising
287] A double cut file has rows if teeth the same as a single cut file and in addition
has a second row of teeth which are cut.
1) Across the first row 2) Diagonally to the first row
3) Parallel to the first row 4) On the edge of the file
288] Which of the following is a part of file?
1) Heel 2) Face 3) Tang 4) all of these
289] Centre punch has as included angle of:
1) 90 degree 2) 118 degree 3) 60 degree 4) 120 degree
29] The best example for semi liquid lubricant is:
1) Grease 2) Graphite 3) Castor oil 4) Lord oil
291] what is the ratio of 10 feet to 30 inches?
1) 4 : 1 2) 1 : 4 3) 1 : 3 4) 3 : 1
292] Which tool is used to measure the tolerance between surface plate and a surface being
checked for flatness?
1) Depth Gauge 2) Surface Gauge 3) Thickness Gauge 4) Dial Test indicator
293] Universal dividing head is used for indexing work o:
1) Lathe 2) Milling machine 3) Drilling machine 4) Slotting machine
294] best example for gravity feed lubrication is:
1) Grease Gun 2) Ring lubricator 3) A and B 4) Wick feed lubricator
295] A lathe having swing over bed at 220 mm can accommodate a component of diameter:
1) 110 mm 2) 220 mm 3) 95 mm 4) 440 mm
296] how many seconds are there in angle of 6 degree?
1) 21600 sec 2) 1800 sec 3) 2160 sec 4) 18000 sec
297] Internal dia is measured by:
1) Vernier caliper 2) Ring Gauge 3) Outside micrometer 4) Inside micrometer
298] The best example for splash lubrication:
1) Ring lubricator 2) Wick feed lubricator 3) Grease gun 4) Pump lubricator
299] Angle of square thread is:
1) 45 degree 2) 90 degree 3) 60 degree 4) 80 degree
300] Drilling jig is a device for:
1) Holding the job 2) Grinding the job 3) Burning the job 4) Holding the job and grinding the tool
301] The machine element while control the sequence of operation is auto drive lathe is:
1) Cam 2) Bears 3) Belt & Pulley 4) Screw rod
302] In grinding chatter marks can be avoided by:
1) Proper balancing of the wheel 2) using excess of coolant
3) Using rubber sheets 4) Reducing RPM of wheel
303] Best example for driving fit is:
1) Ball bearing one shaft 2) Tyre on the rail wheel
3) Pulley with key on the shaft 4) Cart rim o the wooden wheel
304] Jig is defined as a device which:
1) Holds and locates a work piece and guide and control one or more cutting tools.
2) Holds and locates a work piece during as inspection or for a manufacturing operation.
3) It is used to check the accuracy of work piece 4) All of the above
305] Fixtures are used for:
1) Holding and guiding the tool in drilling, reaming or tapping operation
2) Holding the work in milling, grinding, planning or turning Operations
3) To check the accuracy of work piece 4) all of the above
306] Quick - return mechanism is used for:
1) Milling Machines 2) Slotting machines 3) Turret Lathe 4) Broaching
307] the energy processed by a boring work by virtue of its position:
1) Potential energy 2) Kinetic Energy 3) Electrical energy 4) Chemical energy
308] best example for shrinkage fit:
1) Cart rim on the wooden rim 2) Tyre on the rail wheel
3) Tyre on the bicycle rim 4) Fly wheel on the shaft
309] Seam Welding is:
1) Multi spot welding process 2) Continous spot welding process
3) Used to form mesh 4) used for welding cylindrical object
310] Fire is combination of:
1) Fuel, liquid and oxygen 2) Fuel, heat and oxygen
3) Fuel, heat and corbondioxide 4) Fuel, liquid and nitrogen.
311] Cutting speed is calculated by the for
1) TTDN / 1000 2) TTDN / 10000 3) TTDN / 100 4) None of these
312] While grinding one must use:
1) Dark glass screen 2) Mask 3) Safety goggles 4) Sun goggles
313] The process of relieving the internal stresses of a steel component is:
1) Annealing Normalizing 2) Quenching 3) Tempering 4) Stress relieving
314] The bench vice is called as parallel jaw vice because:
1) it can hold the jobs having parallel sides 2) It is Fixed parallel to the shop floor
3) Its width of jaws are parallel 4) Its movable Jaw moves parallel to the Fixed Jaws
315] Steel rule is a:
1) Marking Instrument 2) Precision Instrument
3) Checking Instrument 4) Direct reading Measuring Instrument
316] Aluminium components are protects by:
1) Copper Plating 2) Cadmium Plating 3) Nickel Plating 4) Anodising
317] Feeler gauge is used to measure:
1) Thickness of a job 2) Dia of the job 3) Gap between mating part 4) Radius of job
318] Surface hardening process is:
1) Nitriding 2) Tempering 3) Annealing 4) Cad plating
319] Annealing is done to:
1) Increase hardness 2) Decrease hardness 3) To increase carbon 4) None of these
320] The base unit of length as per S. I unit is:
1) Inch 2) Foot 3) Centimetre 4) Metre
321] Reaming allowance is normally:
1) 0.01 mm 2) 0.002 inches 3) 0.001 mm 4) 1.0 mm
322] In unilateral system of tolerance deviation are allowed in :
1) both the B & D 2) Only two direction 3) No deviations are allowed 4) Only one direction
323] Honing, lapping and Bufring are:
1) Finishing operation 2) Intermediate operation 3) Starting operations 4) out line
324] Dressing of grinding wheel means:
1) Removing loaded metal particles 2) Removing dull gains 3) Both A & B 4) None of these
325] VTL refers to :
1) Vertical tool lathe 2) Vertical turret lathe 3) Vertical thread lathe 4) Vertical taper lathe
326] The temperature at which oil turns into steam of evaporates:
1) Fire point 2) Pour Point 3) Flush Point 4) Acidity
327] Which one of the following process can't be performed o a Engine lathe?
1) Facing 2) Threading 3) Knurling 4) Honning
328] Which one of the following is a Geometric Dimensioning?
1) height 2) Width 3) Diameter 4) parallelism
329] Snap Gauges are used for checking:
1) External diameter 2) Internal diameter 3) Threads 4) Radius
330] The temperature at which oil stop flowing and start Freezing:
1) Emulsification 2) Acidity 3) pour point 4) Flush Point
331] Necking is:
1) Machining a groove around a cylindrical shaft 2) Drilling a hole in a plate
3) Hole drilled for riveting 4) None of these
332] A Hack saw blade cuts on:
1) Forward stroke 2) Return stroke
3) Both forward and return stroke 4) Depends on direction of force.
333] LPG mainly consists of:
1) Methane and Ethane 2) Propone and Butane 3) Hexane and Butadiene 4) None of these
334] -40 degree C is equivalent to:
1) 172 degree R 2) 273 degree K 3) – 40 degree K 4) – 40 degree K
335] 1 micron is equal to :
1) 10-5 metres 2) 10 – 12 meters 3) 10 – 8 metres 4) 10 – 5 meters
336] The properties of flow in liquid:
1) Oilness 2) Acidity 3) Specific gravity 4) Viscocity
337] In an engine radiator, heat is transferred by:
1) Conduction 2) Convection
3) Conduction and convection 4) Conduction, Convection and radiation
338] Micrometer works o the principle of:
1) Screw 2) Bolt 3) Nut 4) Nut & Screw
339] The coolant generally used while machining with carbide tools is:
1) Kerosene 2) Water 3) Soluble Oil 4) Graphite
340] If a piece of steel is reheated to a temperature of 200 degree to 250 degree Celcius
immediately after quenching the process is known as:
1) Tempering 2) Hardening 3) Annealing 4) Normalising
341] Snap gauge:
1) It is used to check the actual size of the finished job as to whether it lies within the prescribed limit
2) it is a solid cylindrical metal Piece, used to check the size of hole.
3) It is used to check the concentricity of the round jobs.
4) None of these
342] a knee is a part of:
1) Lathe 2) Shaper 3) Jig boring machine 4) Broaching machine
343] Acid used in automobile battery is:
1) Sulphuric acid 2) Dilute nitric acid 3) Hydraulic acid 4) Hydro fluoric acid
344] Main alloying element in High Speed Steel is:
1) Chromium 2) Vanadium 3) Tungsten 4) Nickel
345] a master gauge is:
1) A gauge used by masters. 2) Gauge used by all Mechanism
3) A standard gauge for checking accuracy of 4) none of these
Gauges used on shop floors
346] The best position to hold the jobs in the vice when Filing is:
1) Arm level 2) Elbow level 3) Eye level 4) Shoulder level
347] A process of applying oxide coasting on aluminium is known as:
1) Oxidizing 2) Galvanizing 3) Pickling 4) Anodizing
348] Drill sleeve is use when the taper shank of drill is:
1) Smaller than the Machine spindle 2) larger than the Machine Spindle.
3) Equal to the Machine Spindle 4) None of the above
349] The suitable cutting fluid for drilling M.S. Plate is :
1) Soluble Oil 2) Water 3) Compressed air 4) Dry
350] The symbol conventionally used for resinoid bond is:
1) 'V' 2) 'B' 3) 'R' 4) 'E'
351] Railway rails are generally made of:
1) Mild Steel 2) Medium carbon Steel
3) High carbon steel 4) Alloy steel containing 0.8% to 0.9% Carbon
352] Taps are re-sharpened by grinding:
1) Flutes 2) Threads 3) Diameter 4) Relief
353] In a Single start thread:
1) Lead and pitch are equal 2) Lead is double the pitch
3) Pitch is double the lead 3) Lead is half of the pitch
354] The dimensions of a nut is expressed in term of:
1) Head of the bolt 2) Core dia of the bolt
3) Nominal dia of bolt 4) Pitch dia of the bolt
355] The upper portion of a hexagonal nut is chamfered at an angle of :
1) 75 degree 2) 60 degree 3) 45 degree 4) 30 degree
356] The number of Faces of pentagonal prism will have:
1) 6 2) 5 3) 7 4) 8
357] Material used of coating the welding electrode is called
1) Protective layer 2) Binder 3) De-Oxidisor 4) Flux
358] Following gases are used in Tungsten insert Gas Welding:
1) Hydrogen and Oxygen 2) Co2 and H2 3) Argon and helium 4) Argon and Neon
359] Which one of the following nut is used in hacksaw Frame:
1) Ring nut 2) Wing Nut 3) Hexagonal Nut 4) Square Nut
360] Which one of the following key is used in change gears in a lathe?
1) Gib Head key 2) Feather key 3) Wood ruff key 4) Saddle Key
361] Which one is the correct Formula for speed ratio of pulley?
1) D(n = d X n 2) D ( d = N X n 3) D ( N = d X n 4) d X N = D X n
362] Interchangeability is normally applied for :
1) Mass production 2) Single piece production 3) Repairing parts 4) All the above
363] A cart rim on a wooden wheel is example for the
1) Clearance fit 2) Driving fit 3) Shrinkage fit 4) Push fit]
364] A Block level can be used for :
1) Checking vertical alignment only 2) Checking horizontal alignment only
3) Checking angular alignment only 4) Checking vertical and horizontal alignment
365] Which one of the following abrasive is used for lapping gauges:
1) Aluminium Oxide 2) Silicon Carbide 3) Diamond 4) Boron Carbide
366] Constant measuring pressure in micrometer screw is ensured by:
1) Locknut 2) Barrel and thimble 3) Ratchet 4) Spanner
367] Which one of the following is not a carburizing salt?
1) Sodium Carbonate 2) Sodium Sulphate 3) Sodium Cyanide 4) Borium chloride
368] Which among the following joints is suitable for roofing work?
1) Lap Joint 2) Butt Joint 3) Hinged Joint 4) Double grooved seam joint
369] Which one of the following accommodates Four pipes in pipe fitting?
1) Elbow 2) Tee 3) Cross 4) Socket
370] Non – return valve permits water supply in:
1) One way 2) Two way 3) Three 4) Four way
371] Which one of the following is the heaviest
1) Electron 2) Proton 3) Atom 4) Neucleus
372] Which parameter is increased by a step up transformer?
1) Current 2) Resistance 3) Voltage 4) Power
373] The value of cos 30 is:
1) 1 2) 0.5 3) 0.856 4) 0.8
374] Buck gear mechanism is providing in cone pulley head stock to:
1) Reduce speed of spindle 2) Increase speed of spindle
3) Reverse the speed of spindle 4) Transmit power from spindle gear to stud gear
375] Jigs are used in:
1) CNC machines 2) Lathe 3) Drilling 4) Forming
376] which one of the following dimensions shows the largest tolerance?
a) 40 + 0.05 b) 40 - 0.01
- 0.02 - 0.05
c) 40 - 0.05 d) 40 + 0.0
- 0.03 - 0.2
377] Which one of the following thread groups is only for transmitting motion ?
a) Square, Acme, buttress Threads
b) Unified, Acme, Square, Threads
c) Withworth, Acme, Square, Threads
d) ISO metric, Modified square, Acme threads
378] Gib adjustments for the ram are to be done?
a) Once in a week b) Once in a month
c) Once in a year d) Once in a five years.
379] Quick return mechanism is used in :
a) Milling machines b) Shaping Machine
c) Turret lathes d) Broaching
380] Match the following items :
a) Meter (m) A. 0.001 mm
b) Centimeter (cm) B. 1000 μ
c) Millimeter (μ m) C. 10 mm
d) Micrometer (μ m) D. 1000 mm
Micron
Ans: 1-D 2-C 3-B 4-A
381] Match the following items:
a) 38.1 mm A. 203.2 mm
b) 300 mm B. 1075 mm
c) 8" C. 11.81"
d) 40" D. 1.49"
Ans: 1-D 2-C 3-A 4-B
381] Match the following Temperature with colors :
a) 1000º A. White
b) 1100º B. Yellowish White
c) 1200º C. Yellow
d) 1300º D. Bright cherry red
Ans : 1-D 2-C 3-B 4-A
382] Match the following Polygon with side
a) Nonagon A. 12 sides
b) Decagon B. 11sides
c) Dodecagon C. 10 sides
d) Doudocagon D. 9 sides
Ans: 1-D 2-C 3-B 4-A
383] Match the following tapers
a) Morse tapers A. 1: 20
b) Metric tapers B. 1:50
c) Pin tapers C. 1: 100
d) Key and key way D. 1:19:002 to
tapers 1:20: 047
Ans : 1-D 2-A 3-B 4-C
384] The tool used to get ' Good Finish' for a hole:
1) Drill 2) End Mill 3) Reamer 4) Tap
385] Match the following metals with melting points:
a) Mild steel A. 659º
b) Metric tapers B. 1085º
c) Pin tapers C. 1150º
d) Key and key way D. 1500º to
tapers
Ans : 1-D 2-A 3-B 4-C
385] Match the names of the steel plant states:
a) Visweshavaraiah Iron steel A. Karnataka
b) India Iron & Steel B. Orissa
c) Tata Iron & Steel C. West Bengal
d) Rourkela Steel Plant D. Jharkhand
Ans : 1-A 2-C 3-D 4-B
389] Cooking gas cylinder contains fuel the form of:
1) Solid 2) Liquid 3) Gas
390] Newton's law is related to:
1) Volume 2) Space 3) Force 4) Elasticity
391] The voltage of power supply in domestic use is volts:
1) 110 V 2) 220 V 3) 250 V 4) 440 V
392] HAL is a :
1) Public Sector 2) Private 3) Co-operative Society 4) Mulit-National Co.
393] Vanadium is used in ___________ to obtain better cutting parameter:
1) Stainless Steel 2) Cast Iron 3) H.S.S. 4) Aluminium
394] The number of taps in a hand tapping set is
1) 1 2) 2 3) 3 4) 4
395] Commonly used polishing wheels are constructed of:
1) Leather 2) Felt 3) Canvas 4) All the above
396] Sum of angles in a triangle is:
1) 360º 2) 90º 3) 180º 4) 270º
397] Buffing wheels are made of:
1) Cotton Cloth 2) Linen 3) Wood Discs 4) ALL THE ABOVE
398] Thread plug gauge are used to check:
1) Internal diameter 2) External diameter 3) Depth 4) Internal thread
399] Bore gauges are used to measure:
1) Thickness 2) Depth 3) Internal diameter 4) External diameter
400] A hand vice is used for clamping:
1) All Items 2) Big items 3) Small items
401] Which of these is a machine tool?
1) Generator 2) Lathe 3) V – tool 4) Pump
402] File used for fitting radius in corners is:
1) Flat file 2) half rough file 3) Round file 4) Square file
403] In right angle triangle, hypotenuse:
1) Shortest side 2) Medium 3) Longest side 4) Vertex
404] Two main purposes of adhesives are:
1) Riveting 2) Fastening 3) Sealing 4) Both B & C
405] Jet Engine is used in:
1) Motor cycle 2) Bus 3) Aircraft
406] Corrosion is __________ of the parent metal.
1) Oxide 2) Nitride 3) Sulphate
407] Enamel paint has __________ as a base.
1) Water 2) Oil 3) Gas
408] Quality is concerned with:
1) Inspections department 2) Operators & Supervisors
3) Planning & Administration 4) All the above
409] ISO 9000 relates to :
1) ISRO Satelite Operations. 2) 3D Projecting of a drawing
3) Quality Management System 4) International secret Operations 9002
410] The heavy duty power hammer can be installed using:
1) Concrete Foundation 2) Concrete floor 3) Anti- vibration 4) Both B & C
411] Leveling of precision grinding machine may be done using a:
1) Vernier Micrometer 2) Dial Test Indicator 3) Sencitive Spirit level 4) Both a & b
412] Steel will get hardness because of the allying element added to Iron:
1) Oxygen 2) Carbon 3) Mercury 4) Granite
413] Leveling bolts are used for:
1) Adjusting the height of the machine 2) Supporting the load of the machine
3) Rigidity of machine 4) Both b & c
414] A Die stock is a:
1) Tool for holding threading dies 2) Job on which external threads are cut
3) Place for storing dies 4) None of these
415] In the pipe assembly the hemp packing is used:
1) for easy engagement 2) To fill gap between threads
3) To avoid leakage 4) To get right fitting
416] The unit of power is:
1) Calorie 2) Volt 3) Ampere 4) Walt
417] The bull gear wheel is driven:
1) By a pinion 2) By a shaft 3) By sliding block
418] Which one of the following is not case hardening treatment?
1) Carburizing 2) Nitriding 3) Flame hardening 4) Tempering
419] Malleability is the property by means which the metal can be:
1) Rolled 2) Milled 3) Machined 4) None of these
420] Hook's law is associated with:
1) Pressure 2) Thermal expansion 3) Stress 4) Force
421] The pitch diameter of an external threads can be measured by using:
1) Screw thread micrometer 2) Screw Pitch gauge 3) Thread ring gauge 4) All of these
422] The two most common bearing lubricants are:
1) Lubrex 57 and 68 2) Lubrex 58 and 67 3) Lubrex 47 and 38 4) None of the above
423] Which one of the following is a non-conventional machining process?
1) Honing 2) Reaming 3) Electro Chemical Machining 4) Spraying
424] which one of the following represents centre line in drawing practice?
1) ― ― ― ― ― ― ― ― ―
2) – – – – – – – – – – – – – –
3) ……………………………
4) None of the above
Ans: 1
425] Spur gear can be manufactured by which of the following methods:
1) Milling 2) Hobbing 3) Shaping 4) All of these
426] Bonding is the term associated with:
1) Lapping – compound 2) Milling cutter 3) Grinding Wheel 4) Twist drill
427] A screw is specified by:
1) Major diameter 2) Minor diameter 3) Pitch diameter 4) Pitch
428] Taps are used for:
1) Cutting external threads 2) Cutting internal threads
3) Grinding purposes 4) Turning operations
429] The common form of a gear tooth is known as:
1) Convex curvature 2) Concave curvature 3) Involutes form 4) None of the above
430] Taper plug gauge is used to check:
1) Diameter 2) Length 3) Diameter & amount of taper 4) Taper
431] Clearance is commonly measured with a
1) Feeler gauge 2) Snap gauge 3) Plug gauge 4) Sine bar
432] Low carbon steel containts:
1) 0.15% to 0.3% 2) 0.20% to 0.60 of carbon
3) 0.60% to 1.3% of carbon 4) None of the above
433] Operations involved in the heat treatment of steel:
1) Normalising 2) Annealing 3) Quenching 4) All the above
434] Oil is lighter than water because:
1) It dissolves inn water 2) It floats on water
3) It sinks in the water 4) It does not mix with water
435] Decimal equivalent of 1/16 is:
1) .0625 2) .015625 3) .03135 4) .046875
436] Tarbequals to:
1) sinJ/cosJ 2) 1/ cos J 3) Cos J/ Sin J 4) 1/secJ
437] PERT Stands for :
1) Project Examination & Review Techniques 2) Project Evaluation & Review Techniques
3) Project Execution & Reporting Techniques 4) Project Execution & Results Techniques
438] Crack in grinding wheel is developed due to:
1) High temperature 2) Over speed of wheel 3) Low speed of wheel 4) All of the above
439] Silicon carbide is associated with:
1) Turning 2) Milling 3) Grinding 4) All of the above
440] While metal cutting coolant is used for:
1) Taking away the heat of machining 2) Providing better finish to machined part
3) Removing heat and providing better finish 4) Protect the operator
441] Value Engineering is an application:
1) To assess the value 2) For image building 3) For cost reduction 4) To increase the value
442] Which one of the following key is semicircular in shaper?
1) Saddle key 2) Feather Key 3) Wood ruff key 4) Gib head key
443] Material having lowest temperature co-efficient of resistance is:
1) Gold 2) Aluminium 3) Silver 4) Copper
444] Insulation failure in transmission lines is due to:
1) Bridging of conductors by birds 2) Decrease of die-electric strength
3) Poor quality of wire 4) All of the above
445] Surface finish on a super lapped surface may be equal to:
1) 8 micro inches 2) 128 micro inches 3) 1000 micro inches 4) 64 micro inches
446] 5 microns are equivalent to:
1) 0.0015 meter 2) 0.00010 meter 3) 0.00002 meter 4) 0.000005 meter
447] which one of the following key may be screwed to the shaft?
1) Saddle 2) Feather 3) Taper 4) Woodruff
448] a measuring instrument should be:
1) Accurate 2) Precise 3) Good shape 4) Repeatable in measurement
*449] write the correct Trigonometric expression for Opposite Side/ adjacent side.
1) Cos 2) Sine 3) Tan 4) Secant
450] In an interference fit the shaft should be:
1) Oversize than the bore 2) Equalize than the bore
3) Undersize than the bore 4) under or oversize then the bore
450] Carbide tipped tool used for turning hard material is provided.
1) Side rake angle 2) back rake angle 3) positive rake angle 4) Negative rake angle
451] the plastics which are formed is to shape by the application of heat and pressure without any
chemical change are known as:
1) Thermo setting plastics 2) Thermo plastic 3) Instruments
452] couplings are used to connect the shaft, when the shafts are:
1) The joined permanently 2) to be disconnected often
3) in misalignment 4) To be disconnected often and to compensate a
Misalignment between two shafts.
453] The cutting angle for chisel for chipping of Mild steel.
1) 45 º 2) 30º 3) 55º 4) 68 º
454] The Jig is made from a single block of steel to the smaller work piece is called..
1) Channel jig 2) Sandwich jig 3) box jig 4) Solid jig
455] A block Spirit level is used for checking the
1) Horizontal level only 2) Vertical level only
3) Horizontal & Vertical only 4) Angular alignment only
456] The value of one thimble scale division in a metric micrometer is
1) 1 mm 2) 0.5 mm 3) 0.02 mm 4) 0.01 mm
457] Which type of fir tis used in the inner race with shaft while mounting a ball bearing>
1) Precision slide 2) Large Clearance 3) Loose running 4) Interference
458] Which screw is used to connect the collar and shaft in a position?
1) Hexagonal socket set screw 2) Square head screw
3) Hexagonal head screw 4) Pan head screw
459] The main purposes of screw pitch gauge is..
1) To check the minor diameter of screw thread 2) to check the limits of screw thread
3) to check the distance between adjacent crest, 4) to check the major diameter of screw thread.
of screw thread
460] The soft material particles get clogged in the grinding wheel while grinding. This is called
1) Truing 2) Loading 3) Glazing 4) Dressing
461] Normal hardening temperature of less than 0.83 % carbon plain carbon steel is..
1) below the upper critical range 2) above the upper critical range
3) below the lower critical range 4) above the lower critical range
462] The measuring stylus of a mechanical surface indicator is made of..
1) Tool steel 2) Carbide 3) Diamond 4) Cast alloy
463] If the dimension of a component is finished within the limits of size, then it will be.
1) Minimum size 2) Basic size 3) Acceptable size 4) Rejected size
464] What will happen if the spindle thread are worn out in agate valve?
1) Value hard to turn 2) Loud noise when turn the valve
3) Water flow around the stuffing box 4) Valve will not close or open when the spindle turns
465] Why the woodruff keys are used on small tapered shafts with assembly?
1) It takes heavy load 2) It takes the shear stress
3) It is easy to fit and self align with key way of hub 4) It is less expensive
Advantages of:
466] what are the Advantage of Surface plate?
1) To measure the smoothness of the job 2) To check or mark angle of job with helps of sine bar
3) To measure right angle of job 4) To check the jobs produced in less time to
5) To measure a job with a dial test indicator
467] what are the advantage of surface gauge?
1) To draw lines parallel to its base 2) To find out the centre of cylindrical and square rods
3) To draw lines parallel to plain arm of a job 4) To properly Focus the job on the lathe.
5) To draw parallel line like height gauges on normal job
468] what are the advantages of Gauges.
1) Their use saves time as a number of jobs can be check in little time
2) Semi skilled technicians can also help in production by using these gauges.
3) There is no need of Employee for inspection and examination at production stage.
4) There is a little possibility of defects in the jobs
5) Rate of Production is increased
469] what are the advantages of slip gauge or Gauge block?
1) To verify Micrometer and Vernier caliper 2) To set adjustable gauge such as snap gauges.
3) To use sine bar 4) for exact Marking of job
5) To make solid snap gauge and caliper 6) to verify Measurement of a job with help of comparator
470] what are the advantage of Heat Treatment?
1) Hard metal can be softened 2) Soft metal can be hardened
3) Metallic job can be made machinable 4) Inner Structure of Metal can be changed
5) The mechanical Properties of metal such as Tensile Strength and compressive Strength can be
decreased or increased
471] what is the Advantage of anti Corrosive Treatment?
Ans: These treatments improve life and out-look of a job
472] what are the advantages of Threads?
1) To join two parts of a machine like nut bolt and stud
2) To get mechanical levers for lifting Weight such as chain pulleys jockey etc.
3) To accuracy in precision instruments like micrometer
4) For transferring the mechanical power
5) For speed control purpose
473] what are the advantage of cutting Fluid (Coolant)
1) If acts as a lubricants the tool and job 2) It increases the working life of a tool
3) It improves the job finish 4) It does not allow the chips to stick at the tool
5) It increases cutting speed 6) It protects the cutting edges of tool against any possible
damage at a high temperature
474] what are the advantages of Grinding?
1) Jobs can be made true to the given measurement 2) A fine finish can be given to the job
3) Unnecessary metal cutting is avoiding 4) Production time is saved
5) Production cost is reduced and overall production is increase.
475] what are the Advantage of Honing?
1) Eliminates frictions
2) makes surface smooth 3) Provide easy movement of the machine parts
476] what are the advantages of lapping?
1) The surface is made fine and bright
2) The machine parts moving under frictions don‟t get heated up much
3) The possibility of rusting up much
4) The Accuracy of job can be obtained up to o.ooo1 inch
477] what are the advantages of interchangeability?
1) A similar part from any company can be fitted without any difficulty.
2) It takes little time to change a machine parts.
3) It takes less time to fit a machine 4) Rejection of these parts is less
5) Production increases and it save time 6) The production cost of these parts is less
478] what are advantage of jigs and Fixture and template?
1) The production is increased because the job does not require marking
2) After setting the job once we can do a number of operations
3) Semi skilled or less experience technician can be also increase production
4) The job so produced is liable to be interchanged in the machines of the same type
5) Cost of production is less
479] what are the advantages of Mandrel?
1) For turning the job along with entire length 2) For making identical external dia
3) For turning at the outer surface of a job having a hole along the center line
4) For speeding up the production process
480] what are the advantage of Forging?
1) Tensile strength of metal is reduced and plasticity is developed in the metal
and thus a desire shape can be given to it
2) Drawing out, jumping and bending of metal can be done easily
3) a job can be finished fastly after forging
4) There is a little wastage of metal
481] what are the advantage of Bearing?
1) It provides a stable speed to a shaft 2) It provides a strong support to the shaft
3) Lubrications is possible between housing and shaft
4) If enables the machine to run at a higher speed
5) Machine parts don‟t wear out fastly
6) It saves power and time
482] what are the advantage of Anti Frictional Bearing?
1) Friction is reduced to minimum even at high speed
2) The abrasion of the shaft is negligible\
3) Bearing can be replaced easily
483] what are the advantage of Gears?
1) Power transmitted easily without noise 2) Transmission speed can be reduced
3) Direction of speed can be reduced and increased 4) this medium functions for a long time
Without any abstraction
484] what are the advantage of preventive maintenance?
1) To avoid sudden break down of machine 2) Damage of costly parts is avoid
3) Shut down of production is avoided 4) Longer life of equipment is ensured
5) Possibility of serious accidents is minimized
6) Preventive maintenance is less costly than Breakdown
7) Preventive maintenance is less costly than break down maintenance
SPECIFICATION AND CLASSIFICATION
485] How is taper Specified?
The taper is specified by: 1) Angle of taper 2) Size of component
486] How is the size of Allen key is identified?
The size of Allen Key is identified by the size across the flat of the HEXAGON
487] how is sine bar specified
The sine bar specified by its length
488] How is Screw driver Specified?
Screw driver are specified according to the – length of the blade- width of the blade
489] How 'Engineer's' square specified?
Engineer's squares are specified by their nominal length, grade of accuracy and type
490] how are lubricants classified?
Lubricants classified as 1) Liquid Lubricants 2) Solid Lubricants 3) Semi solid or semi liquid
lubricant
491] how the circlips classified?
Circlips classified as 1) Axially assembled 2) Radially assembled rings
492] how synthetic adhesive classified?
a. Thermoplastic Adhesive b. thermosetting adhesive
493] how a screw is specified
The screw specified by major diameter
494] how a bearing specified?
Bearing specified by its types, boundary dimension
1) Bore dia 2) Outer dia 3) Width of bearing and other special features
495] how a common pipes classified?
The common pipes classified according to materials are:
1) Galvanized Iron pipes 2) Mild steel pipes 3) Cast Iron pipes
2) P.V.C. pipes 5) Rubber pipes 6) Plastic pipe etc.
496] How are snips are specified?
Snips are specified by the overall length and shape of the blade
497] how Hacksaw blade specified
Hacksaw blade are specified according to their length, pitch and type
498] how a size of bench vice specified?
The size of bench vice is specified by their weight and the shape of the pain.
499] How Engineers' Hammer are specified?
An Engineers hammers are specified by the type of their joints and length
500] how the dividers specified
Dividers are specified by their Joints and length
501] how a reamer specified?
The reamer is specified by their type, flute, shank and size
502] how a surface plate specified?
The surface plates are specified by their length, breadth, grade and the Indian standard number
(2000 ҳ 1000 ҳ Gr is 2285)
503] Write the correct Trigonometric expression for opposite side/ adjacent side
a. Cos b. Sine c. Tan d. Secant
504] In an intereference fir the shaft should be:
a. Over size than the bore b. Equal size than the bore
c. Under size than the bore d. Under or oversize then the bore
505] Write the correct trigonometric ratio to 1/cosine
a. Cot J b. Secant J c. Cosecant J
506] Drawing is the:
a. Language b. Instrument c. Graphics d. None of these
508] Match the punches with uses:
1. Centre Punch a. for punching witness marks
2. Prick punch 30º b. for locating holes
3. Dot punch 60 º c. for punching of divider points
Ans: 1-B 2-C 3-A
509] Match the materials with point angles
1. Aluminium a. 65º
2. Mild steel b. 60º
3. High carbon steel c. 55º
4. Cast Iron d. 30º
Ans : 1 – d 2 – c 3 – a 4 – b
510] Match the Fitters with their works:
Fittters Their works
1.Machine a. He makes pipe fitting works
2. Bench Fitter b. He repaires a part of a machine
3. Pipe Fitter c. He makes assemble or produce a machine
Ans: 1-c 2-c 3-a
511] Match the following files( According to shape ) with uses:
File Uses:
1. Flat file a. for filing at right angle to the finished surfaces already finished
2. Hand file b. for general purposes
3. Square file c. for filing square holes, corners, keyways, splines
Ans: 1-b 2-a 3-c
512] Match the following:
1. All hard blade a. It is gives a better grip and control while saving
2. Flexible blade b. The distance between a adjacent teeth hardened
to full length between the pin hole
3.Adjustable frame c. Only teeth are hardened
Ans: 1-c 2-d 3-b 4- a
513] Small hole gauges are used to measure hole and slots:
a. Below 10 mm b. Below 12.7 mm c. Below 20 mm d. Below 20.7 mm
514] Match the following:
1. Eutectoid Steel a. Steel which contains 0 to 0.8 % carbon
2. Hypereutectoid steel b. Steel which contains 0.8% to 2.1 % carbon
3. Hypoeutectoid steel c. Steel which contains 0.8 % carbon and structure of carbon is
pearlite
Ans : 1-c 2-b 3-a
515] in open- hearth process, the hearth is heated using:
a. fire b. Producer gas c. Electric d. None of these
516] The most suitable heating temperature for forging Low carbon steel is:
a. 720ºC b. 1100ºC c. 1600ºC d. 1300ºC
517] Folding machines are specified according to the:
a. Maximum length and thickness of the sheet that can be sent
b. Minimum lengths and thickness of the sheet that can be sent
c. None of these
518] During Arc Welding, the correct angle of the electrode with the welding line is
a. 90º b. 40º-50º c. 70º-80º d. 45º
519] The current range for a M.S. Electrode 4 mm Ј is:
a. 150 to 250 amps b. 70 to 110 amps c. 130 to 170 amps d. 60 to 90 amps
520] Stag entrapping in a weld is called:
a. Under cut b. Porosity c. slag inclusion d. incomplete penetration
521] Standard drill angle is equivalent is:
a. 125º b. 106º c. 118º d. 90º
522] High surface finish is obtained by:
a. Turning b. Milling c. Grinding d. Lapping
523] If the weld metal fails to reach the root of the joint the defect is called:
a. Slag inclution b. Incomplete penetration c. Undercut d. Porisity
524] The shaft angle are centre drilled for:
a. supporting jobs between centres b. Lubricating the dead centre
c. Reducing the weight d. Assisting punter boring
525] Hexagonal Nut having No. of faces:
a. 16 b. 4 c. 8 d. 6
526] an operation in a lathe diameter is increased after operation is:
a. Knurling b. Thread casting c. Taper Turning d. Boring
527] Use of Hand gloves are:
a. For human body not getting strained b. To prevent finger print forming on job
c. for safety requirement d. To concentrate more on work
528] which one of the following tool is used for holding heated jobs?
a. Plier b. Shovel c. tongs d. C Clamp
529] A body recovering original dimension when the applied load is removed is known as:
a. Brittle b. Plastic c. Annealed d. Elastic
530] What is meant by NC in manufacturing?
a. Nitric Chloride b. Nitro Carbide c. Numerical Control d. Number Code
531] Aluminium is mainly used in Aircraft because of:
a. Bright finish b. Less cost c. Easily available d. Light weight
532] Broaching is a:
a. Inspection process b. Photographic Process
c. Administrative Process d. Manufacturing Process
533] The material used for grinding wheel
a. Boric Oxide b. Brass Oxide c. Aluminium Oxide d. Iron Ore
534] SWG means:
a. Safety Welding Gloves b. Standard Wire Gauge
c. Servicing wire Gauge d. Screw Worm Gauge
535] Which is the hardest material among the following:
a. Aluminium b. Steel c. Diamond
536] Dovetailing and keyway cutting can be done on:
a. Boring machine b. Drilling machine c. Lathe d. Shaper
537] A Follower steady is held on the:
a. Lathe bed b. Lathe saddle c. Lathe spindle d. Tail Stock
538] '65 HRC' corresponds to:
a. Hardness b. Chemical Composition of HSS
c. Horse Power of 65º d. Count of Human Red Cell
539] White colour is a mixture of:
a. Red & Blue b. Red & Green c. Blue & Green d. Seven colours
540] When the taper is expressed as a 1:10 ration and length of the job is 100 mm then the offset is
equal to:
a. 5mm b. 10 mm c. 25 mm d. 1 mm
541] A Nut is to be made for a screw of M10 X 1.5 what should be size of drilled hole?
a. 10 mm b. 9.5 mm c. 9.0 mm d. 8.5 mm
542] Which one of the following is used for removing a broken tap?
a. Tap Nut b. Tap Wrench c. Tap Extractor d. Tap Disposer
543] Parallels and V-blocks made in two grades:
a . Grade A and B b. Grade C and D c. Grade A and D d. Grade C and B
544] If steel is heated to a suitable temperature and then slowly cooled the steel will be:
a. Soft weak and ductile
b. Hard and brittle
543] If steel is heated to a suitable temperature and then rapidly cooled ( quenched ) the steel will
be:
a. Soft weak and ductile
b. Hard and brittle
544] A.C.P. Means:
a. Adjustable Cement pipe b. asbestos cement pipe
c.Alternative Channel pipe d. Attach Centre pipe
545] Vice clamps are used to:
a. Protect the finished surfaces of the jobs b. Hold the job firmly
c. protect the serrated jaws of the vice d. Protect the file
546] the vice is used for:
a. Holding odd shaped small work pieces b. Fixing the pins
c. Holding the pins d. Holding the studs.
547] The hand vice is used for:
a. Fixing heavy jobs b. tightening nuts and bolts
c. Holding round jobs d. Doing minute work
30.
548] R.P.M. Means:
a. Remove Chips per minutes b. Revolution per Minutes
c. Red Color properties of Metal d. Rapid cut per minutes
549] Taper plug gauge is used for checking:
a. Taper holes b. Diameter of strait holes
c. Minor dia of internal threads d. External taper of cylindrical jobs
550] Plain Ring gauge is used for checking:
a. Major diameter of external threads b. internal diameter of cylindrical parts
c. External diameter of cylindrical parts d. Taper holes.
551] Double cut file is used of filing on:
a. Steel b. Wood c. Leather d. Card board
552] Taper ring gauge is used for checking:
a. External Taper b. Internal Taper c. External thread d. Internal thread
553] File card is used for:
a. Removing Chips b. Cleaning the file teeth
c. cleaning the file work piece d. Renewing the file teeth
554] Rough file is used:
a. On wood b. On irregular jobs
c. To reduce the metal rapidly d. If smooth file is not available
555] Silver Brazing is used for:
a. Joining dissimilar metals b. Brazing of Tungsten carbide tips
c. Joining electrical parts receiving high electrical conductivity
d. All the above
556] In silver brazing the flux is used for:
a. Removing the impurities from the weld b. Chemically cleaning the base metal
c. Allowing the molten to flow easily d. All the above
557] a tab washer is used for:
a. Avoiding Vibration b. Locking the nuts c. Self Locking d. Fastening fabrication work
558] A plain washer is used for:
a. Cover the clean once hole of the job b. Improve appearance of the job
c. Distribute the force to the nut d. Distribute the force over large area
559] Thread Ring gauge is used for checking:
a. External thread b. Internal thread
c. External diameter of cylindrical job d. internal diameter of jobs
560] Grade – 1 slip gauge are used in :
a. work shop by operator b. Inspection room
c. Either 'a' or 'b' d. Neither 'a' nor 'b'
561] Buttress threads are most commonly used for:
a. Transmission of motion b. Positioning of mechanical parts
c. Special bolts and unity in structural work d. Resisting force exerted in one direction only
562] A key is a device used to:
a. Start the machine b. Stop the machine c. Fasten the matting parts d. control the machine
562] B.S.F. screw threads are generally used for:
a. Vice spindle b. Lather lead screw c. Ordinary bolt and nuts d. Electric goods
563] Spring washer are used under nuts to prevent:
a. Damage to the job b. Damage to the nut
c. Damage to the bolt d. Slackness on nuts due to vibrations
564] a split pin is used locking purposes in:
a. Flanged Nut b. Square Nut c. Chuck Nut d. Castle Nut
565] Clutches are used where:
a. Machine requires repair
b. Speed of machine is changed after stooping driving unit
c. Speed of machine can be changed without stopping the driving unit
d. None of the above
566] Couplings are used to join when it is required to:
a. Disconnect the shafts b. Couple the misaligned shafts
c. Couple the shafts permanently
d. Disconnect the shafts when required and also to compensate a little misalignment
567] Jockey pulley is used with:
a. Cross belt drive b. Open belt drive c. Quarter twist drive d. None of the above
568] A reamer is used for:
a. Drilling holes in thin sheets b. drilling deep holes
c. Removing Burrs d. Enlarging and finishing holes
569] Parallel blocks are used for:
a. Marking parallel lines along and edge b. Levelling machine tools
c. Cutting parallel keyways d. Setting work pieces horizontal
570] a welding rectifier is used for:
a. Convert A.C to into a D. C. welding supply b. Generate a D.C welding supply
c) Convert D.C. welding supply into A.C. welding supply d) Convert a D.C. main supply into an A.C. main
583] A welding transformer is used to:
a. D.C. main supply in to an AC welding supply b. A.C. main supply in to a Dc welding supply
c. A.C. main supply into AC welding supply d. D.C. main supply into DC welding supply
584] The driving plates are used for:
a. For internal operation only b. Facing operation only
c. Mounting fixtures with work piece d. Rotating shafts between centers
585] The basic function of cutting fluids are:
a. cleaning and lubrication b. cool the tool and work pieces
c. cooling and flushing chips away from the cutting area d. Facilities chip removal and lubrication [
587] Lubricant is used for
a. Run the machine quickly b. stop the machine immediately
c. Run the machine smoothly taking least load d. Produce work piece of greater accuracy
588] Leveling bolts are used for:
a. Rigidity of machine b. Supporting the load for machine
c. Adjusting the height of machine d. None of the above
589] Drill jigs are used for:
a. Guiding the tool only b. Drilling operations only
c. Clamping the job when drilling d. Drilling, reaming, tapping and other allied operation
590] The main purposes of annealing is:
a. to improve machinibility b. to increase hardness
c. to increase toughness d. to improve magnetism
591] Fullers are used for
a. Drawing down b. Necking and grooving
c. Forming head of rivets, bolts etc. d. Making shoulders with right angles
592] Chain slings are used for:
a. Light load b. Heavy load c. Medium load d. None of the above
593] Rope slings are used for
a. heavy load b. Light load where chain may damage the loads
c. both of above d. None of the above
594] Gate valve is used in pipe line to let water flow in
a. One direction b. Two direction c. Three directions d. Four direction
595] Globe valve is used in pipeline to let water flow in
a. One direction b. Both direction c. any direction d. None of the above
596] Thumbler gear quadrant is used for:
a. increasing the spee3d of the spindle b. Decreasing the speed of the spindle
c. Changing the direction of spindle d. changing the direction of rotation of the lead screw
597] which jig is used for drilling on thin sheet
a. Solid jig b. Post jig c. Table jig d. Sandwich jig
598] Lather half centre is used:
a. To support work piece always b. To turn long work piece
c. because it is easy to lubricate the work piece d. To face work piece up to the end of the centre hole
599] The cross cut chisel is used for
a. cleaning the corners b. cutting on keyways c. Plain chiseling d. Remove burrs
600] Bevel gears are used to transmit:
a. Parallel motions b. inclined motion c. Perpendicular motion d. None of the above
601] Collets are used for holding:
a. Cutting tools b. spindle c. Gear d. Drives
602] Grinding operations is used for
a. Shaping b. Forming c. Dressing d. Finishing
603] Hot chisel is used in:
a. Fitting shop b. Carpenter shop c. Black smithy shop d. Sheet metal shop
604] Brass is an alloy of:
a. Lead and zinc b. Copper and zinc c. copper and tin d. Tin and zinc
605] Bronze is and alloy of:
a. Copper and zinc b. Lead and zinc c. Copper and tin d. Tin and zinc
606] Gun metal is an alloy of copper
a. Lead and zinc b. Tin and zinc c. lead and nickel d. Zinc and nickel
608] Spelter is an alloy of:
a. Lead and Zinc b. Copper and Zinc c. Tin and Zinc d. Zinc and nickle
609] Solder is an alloy of:
a. Tin and zinc b. Lead and tin c. Lead and tin d. Zinc and Nickel
610] soft solder is an alloy of:
a. Tin and zinc b. Lead an d tin c. Tin and Nickel d. Lead and zinc
611] Bell metal is an alloy:
a. Lead and tin b. Copper and tin c. Tin and Nickel d. Lead and Zinc
612] Munts metal is an alloy of
a. Copper and zinc b. Copper and Tin c. Copper and Aluminium d. Copper and Nickle
613] White metal is an alloy of
a. Copper and Tin b. Copper, Zinc and Tin
c. Copper, Lead, Tin and Antimony d. Copper, Zinc, Tin and Antimony
614] Monel metal contains:
a. Nickle and aluminium b. Nickel and copper
c. Nickel and Chromium d. Nickel and zinc
615] Carbon content in cold chisel is:
a. 0.6 to 0.7% b. 0.85 to 0.95% c. 1.0 to 1.2% d. 1.2 to 1.4%
616] Carbon percentage in H.S.S. tool
a. 0.75 to 1.00% b. 1.00 to 2.00% c. 0.60 to 0.75% d. 0.20 to 0.30%
617] High carbon steel contain:
a. 0.7 to 1.5 % b. 1.2 to 1.4 % c. 0.6 to 0.7 % d. 0.15 to 0.3 %
618] An operator who does fitting something is called
a. Fitter B. Turner c. Machinist
619] Fitter is also called:
a. Electrician b. Technician c. Good person
620] This calipers is used while marking the centre of a round bar:
a. Outside caliper b. Vernier caliper c. Jenny Caliper
621] While marking curved lines, use the:
a. Offset scriber b. Jenny caliper c. Divider
622] Surface plates are used for marking because:
a. They can withstand the weight of heavy components b. The have large surface area
c. Marking tools can slide over easily d. They provide the datum surface
623] the vice spindle has:
a. Square threads b. Acme threads c. V threads
624] while fixing the fitter's vice on the bench, the normal height would be:
a. Equal to the operators shoulder
b. 400 mm from the ground level
c. 40 inches from the ground level.
625] The flat chiesel has a slight convexity on the cutting edge because
a. To control the temper b. To move along the line freely c. To resist blows on deep cutting
626] To know the length of hacksaw blade measure it from:
A. End to end b. One pin hole to other pin hole c. The centre of the two pin holes
627] To determining the length of a file, it may be measured from:
a. tip to shoulder b. Tip to tang c. Tip to inner heel
628] Draw filing is done:
a. to keep up the accuracy b. before wing smooth file c. for best finishing
629] A ferrule is fixed in the file handle
a. For fancy b. to grip the fire c. to prevent the handle from damage
630] The web of a twist drill is:
a. Reducing the friction b. leading the speed c. The back bone of the cutting edges
631] The tapping hole should be:
a. Equal to the tap size b. Equal to the minor diameter c. Larger than the tap size
632] Before using a micrometer:
a. Clean the parts b. Wash your hands c. Check up the zero error
633] The lock nut is provided in the micrometer
a. To control the spindle b. To lead the spindle c. To measure the job accurately
634] The micrometers have threads of.
a.B.S.F. b. B.S.W. c. B.A. threads
635] The heavy and rigid screw driver is:
a. Philips b. American c. London Pattern
636] A minute gap is measured by a
a. Fillet gauge b. Wire gauge c. Feeler gauge
637] The worm gear is fitted for
a. Increase the speed b. Change the direction c. Control the matting gear
638] Dressing is necessary for a grinding wheel
a. To make perfect round b. To improve the cutting action of the abrasive
c. Making the abrasive to dull
639] When you hear a terrible sound from a working machine?
a. Run away to escape by nearest gate b. put off the switch immediately
c. Ring the danger alarm bell
640] Which files are particularly useful for filing at right angles to the finished surface
a. Flat file b. Hand file c. Bastard file
641] Coke is produced from:
a. The hearth b. coal c. Charcoal
642] Telescopic gauges are used to measure holes and shafts:
a. From 10 mm to 100 mm b. from 12 mm to 152 mm
c. from 12.7 mm to 152.4 mm d. None of the above
643] A special feature of the radial drilling machine is:
a. It can be used for drilling with a H.S.S. drill b. Table can be moved and set at any position
c. A variety of speeds is available d. The spindle can be brought to any position
644] When the taper shank of the drill is larger than the machine spindle the device to hold the drill
is a:
a. Drill sleeve. b. Taper socket c. Drill drift d. Chuck and key
645] The suitable cutting fluid for precision grinding is:
a. Soluble oil b. Synthetic soluble oil c. Neat oil d. Serve Cut "S"
646] The Morse taper provided on drills ranges between:
a. MT 1 TO MT 5 b. MT 1 TO MT 4 c. MT 0 TO MT 5 d. MT 0 TO MT 4
647] The sensitiveness of spirit level depends upon the:
a. Size of the bubble b. Length of the glass tube
c. Type of liquid filled in the glass tube d. Curvature of the glass tube
648] The difference in reading between the minor and major load is taken into account in:
a. Brinnel hardness test b. Ghore method test c. Rockwell hardness test d. Vicker hardness test
649] The external threads on G.I. pipes are cut easily by:
a. Tap sets b. Dies and die stocks c. Centre lathe d. Thread rollers
650] You have to file on aluminium block to a smooth finish which one of the following cut of type is
most suitable
a. Double cut b. Curved cut c. Rasp cut d. Single cut
651] In micrometer, graduations is marked on:
a. Anvil b. thimble c. Spindle
652] Which one of the following chisel is to be used for chipping the grooves?
a. Flat chisel b. Cross cut chisel c. Half round nose-chisel d. Web chisel
653] What coolant is suitable for drilling cast iron?
a. Kerosene b. Water soap emulsion' c. No coolant d. Soluble oil
654] Which one of the following is an artificial abrassive?
a. Emery b. Diamond c. Corrundum d. Silicon carbide
655] Which one of the following cutting fluids is used during grinding mild steel?
a. Mineral oil b. Non synthetic cutting oil c. soluble oil d. paraffin
656] Mushroom headed chisel should:
a. While cutting on keyways b. Always for safety
c. When reducing the metal rapidly d. None of these
657] The magnifying glass is used:
a. While chipping b. While grinding c. While reading accurate measurements d. While drilling
658] The spring washer is used:
a. To minimize the vibration b. To save the depreciation c. For seating the nut
659] The feeler gauge is used for:
a. Checking surface roughness b. Checking the radius of work piece
c. Checking the gap between mating parts d. Checking the accuracy of hole locations
660] Tapers are used for:
a. Making a hole b. Finishing a hole c. Easy assemble and dissemble of parts
661] Allen keys are used for Tightening of:
a. Nuts b. Rivets c. Screws d. Nails
662] In Tig Welding, organ is used to:
a. Weld faster b. Reduce stresses c. Prevent oxidation
673. A lathe carrier used for turning in between centres. Which one of the following accessories is used along with it ?
a. Collet check b. Steady rest c.Driving plate d. 3 jaw chuck
674. In a threaded assembly the contact between the male and female threads take place on the:
a. Pitch b.Flanks c. Crests d. Roots
675. You have to cut threads on aluminium. Which of the following coolants you will use?
a. Lord oil b. Kerosene c. Soluble oil d. Vegetable
676. End of shank for hand reamer is:
a. Parallel b. Square c. Taper d. None
677. The angle of inclination of the thread to the imaginary perpendicular line is called :
a. Helix angle b. Rake angle c. Clearance angle
678. In multi-start thread, the lead is :
a. More than pitch b. Less than pitch c. None of the above
679. Cycle hub or pulley of a Motor is best example for :
a. Push fit b. Running fit c. Driving fit d. Force fit
680. Which joint is permanent joint?
a. Bolt and nut b. Araldite bonding c. Riveting d. Soldering
681. Keys are used in M/c for fixing:
a. Two shafts b. Shaft and pulley c. Shaft and bearing d. Sprocket and chain
682. The proportional between tensile strength and working load is called:
a. Stress b. Strain c. Yield point d. Factor of safety
683. Surface hardening process is:
a. Nitriding b. Tempering c. Annealing d. Corburising
684. Which one the following is not a work holding device?
a. Collect b. Drift c.Face plate d. Chuck
685. Freezing Fahrenheit scale is equal to :
a. 0oC b. 212oC c. 32oC d. 100oC
686. Anodising process on
a. Zinc coating b. Tin coating c. Aluminium coating d. Painting
687. The maximum temperature of neutral flame on gas welding is:
a. 2000oC b. 3200oC c. 5000oC d. 6000oC
688. In butt joint weld, two plate are held:
a. One above the other b. Side by side c. Both a and b d. None of the above
689. Rotary motion is converted into reciprocating motion by means of the
a. Rocker arm and bull gear b. Rack and opinion c. Worm and worm gear
690. In one complete revolution of the bull gear wheel the ram gets:
a. One reverse stroke b. One forward and one reverse stroke
c. One forward stroke d. None of these
691. Level gears are used to Transmit:
a. Parallel motion b. Inclined motion c. Perpendicular motion
692. Dovetailing and keyway cutting can be done on:
a. Boring m/c b. Lathe m/c c. Drilling m/c d. Shaping m/c
693. Pitch diameter can be checked by :
a. 3 wire method b. Micrometer c. Vernier d. None of the above
694. The threads used in screw jack are generally of the form:
a. Square b. Vee c. Acme d. None of these
695. The minor diameter of thread is:
a. Major diameter – pitch b. Major diameter – 2 x 0.6134 x pitch
c. Major diameter – 0.7 x pitch d. Major diameter – 2 x pitch
696. M12 x 1.5 denotes
a. Temerature of threads b. Metric rubber boards 12 dia x 1.5 thick
c. Least count of Metric vernier 12 size x 1.5 LC d. Thread in Metric standard
697. In which of following operation on the lathe the spindle speed will be minimum:
a. Taper turning b. Partening off c. Fine finishing d. Thread cutting
698. The diameter of finished shaft can be checked with:
a. Combination set b. Dial test indicator c. Slip gauge d. All of the above
699. Steady rest in the lathe are used for:
a. Holding parts b. Length jobs c. Supporting short shaft d. None of these
700. In turning operation:
a. Tool rotates b. Job rotates c. Both tool and job rotates d. Both fool and job do not rotates
701. Holding grips are finished by operation:
a. Knurling operation b. Shaping operation c. Milling Operation d. Slotting operation
702. Which of the following tool material has highest cutting speed?
a. H.S.S. b. Carbon Steel c. High carbon steel d. Carbide tools
703. Silicon carbide is associated with:
a. Turning b. Miling c. Grinding d. All the above
704. Which is the following type of bonding is generally used in manufacture of grinding wheel?
a. Vetrified b. Rubber c. Shellac d. All the above
705. Grinding wheel get glazed due to
a. Wear abrasive grains b. Breaking of abrasive grain
c. Wear of bond d. Cracks of grinding wheel
706 In grinding chatter marks can be avoided by:
a. Proper balancing of wheel
b. Using more coolant
c. Using rubber sheet
d. Reducing of RPM of wheel
715] Which of the following rivet is used in ship building?
a. Buffercated rivet b. Pan Head rivet c. Snap head rivet d. Flat head rivet
716] Abrasive is a very:
a. Soft b. Hard c. Mild d. Liquid substance
717] Chemical symbol of aluminium oxide abrasive is
a. Al2O2 b. Al3O3 c. Al2O3 d. Al1O1
718 Which one of the following is used to joint two metallic sheets?
a. Jigs b. Fixture c. Rivet d. Divider
719] Which one of the following is used for marking quickly on a number of job:
a. Surface plate b. Template c. Scraper d. Divider
720 Soldering is made by solder used with Ammonium chloride flux at:
a. 700oC b. 300oC c. 3000oC d. 200oC
727. Male part is less than female part (shaft size is lesser than hole size):
a. Clearance fit b. Interference fit c. transition fit d. None of these
728. Which one of the following part of the combination set is used for marking and measuring 45o to 90o angles?
a. Centre head b. Square head c. Protractor head d. None of these
729. Which tap is come in sets 1st tap, 2nd tap, 3rd tap?
a. Machine tap b. Extension tap c. Hand tap d. Intermediate tap
730. Indicate two types of self holding tapers
a. Morse taper b. Self releasing taper c .Metric taper d. A and C
731. Which angle of the drill is 8o to 12o?
a. Clearnance angle b. Lip angle c. Dead centre d. None of these
732. Hot chisel is used in:
a. Black smithy shop b. Sheet metal shop c.Fitter shop d. Carpenter shop
733. How many teeths are cut per inch in the bastard file:
a. 20 to 30 T.P.I b. 80 to 100 T.P.I c. 40 to 65 T.P.I d. 35 to 40 T.P.I.
741. The different cuts of files:
a. Single cut
b. Doubt cut
c. Rasp cut
d. Curved cut
742. Name the different grades of file :
a. Rough file
b. Bastard file
c. Second cut file
d. Smooth file
e. Dead smooth file
743. Name the types of joints of capiers:
Ans. a. Firm joint
b. Spring joint
744. Name the common type of marking media
Ans. a. White wash
b. Prussian blue
c. Copper sulphate
d. Cellulose lacquer
745. Name the different punches in markings
Ans. a. Dot punch
b. Prick punch
c. Centre punch
746. Name the different types of Heacksaw frames:
Ans. a. Solid frame
b. Adjustable frame (flat type)
c. Adjustable frame(tubular type)
747. Name the types of Hacksaw blades:
Ans. a. All hard blade
b. Flexible blade
748. Name of two types of surface gauge:
Ans. a. Surface gauge-fixed type
b. Universal surface gauge
749. Name the types of angle plates:
Ans. a. Plain solid angle plate
b. Slotted type angle plate
c. Swivel type angle plate
d. Box angle plate
780. Name the two types of polythene:
.a. Low density polythene b. High density polythene
781. Name the different types of friction:
a. Limiting friction b. Liquid friction c. Sliding friction
d. Gas friction e. Rolling friction f. Boundary friction g. Solid friction
782. Name the four types of surface hardening:
a. Case hardening b. Nitriding c. Flame hardening d. Induction hardening
783. Name the types of tongs :
Ans. a. Round tongs
b. Flat tongs
c. Hollow tongs
d. Square mouth tongs
784. State the types of drawing outprocesses
a. Necking b. Fullering
c. Finishing d. Setting stock
785. Name the types of structures of steel:
Ans. a. Ferrite
b. Cementite
c. Eutectoid steel
d. Hypoeutectoid steel
e. Hyper eutectoid steel
786. Name the types of snips:
Ans. a. Straight snips
b. Bent snips
787. Name the type of notches:
Ans. a. Straight notch
b. Square notch
c. Slant notch
d. V. notch
e. Wire notch
788. Name the types of stakes:
Ans. a. Hatchet stake b. Half moon stake
c. Funnel stake d. Beak or bick iron
789. Name the types of hems:
Ans. a. Single hem
b. Double hem
c. Wired edge
790. Name the types of solders:
Ans. a. Soft solders b. Hard solders
791. Name the different types of fluxes:
a. Hydrochloric acid b. Zinc chloride
c. Ammonium chloride d. Resin e. Paste
792. Name the types of seams:
Ans. a. Lap seam
b. Grooved seam
c. Single seam
d. Double seam
e. Double grooved seam
793. Name the different types of gases used in gas welding:
Ans. a. Acetylene gas b. Hydrogen gas
c. Coal gas d. Liquid petroleum gas (LPG)
794. Name the different types of oxy-acetylene flames
Ans. a. Neutral flame b. Oxidising flame c. Carburising flame
795. State different types of gas flame combinations
Ans. a. Oxygen+acetylene =
Oxy-acetylene flame
b. Oxygen+hydrogen =
Oxy-hydrogen flame
c. Oxygen+coal =
Oxy-coal gas flame
d. Oxygen+LPG =
Oxy-LP gas flame
796. Name the types of basic welding joints
Ans. a. Butt joint b. Lap joint
c. Tee joint d. Corner joint
e. Edge joint
797. State the basic welding positions:
Ans. a. Flat or down hand position b. Horizontal position
c. Vertical position d. Over head position
798. Name the different types of distortion:
Ans. a. Longitudinal distortion
b. Transverse distortion
c. Angular distortion
799. Name the different types of welds:
Ans. a. Bead weld
b. Groove weld
c. Fillet weld
d. plug weld
800. Name the different types of gas cutting machine.
Ans. a. Straight line cutting
b. Large circle cutting
c. Small circle cutting
801. Name the types of welding:
Ans. a. Fusion welding
b. Non fusion welding
802. Name the different types of arc welding machines.
Ans. a. A.C. welding machine
b. D.C. welding machine
803. State the types of polarity:
Ans. a. Reverse polarity b. Straight polarity
804. Name the three types of arc length:
Ans. a. Normal
b. Long
c. Short
805. Name the different types of „T‟ joints:
Ans. a. Types of „T‟ joints
b. Square „T‟ joint
c. Single bevel „T‟ joint
806. Name the type of filters.
Ans. a. Machine fitter
b. Bench fitter
c. Pipe fitter
807. Double bevel „T‟ joint:
Ans. a. Single „J‟‟T‟ joint
b. Double „J‟ „T‟ joint
808 Types of lap joints
Ans. a. Single fillet lap joint
b. Double fillet lap joint
809. Types corner joint
Ans. a. Full corner joint
b. Half open corner joint
c. Full open corner joint
810. Name the types of weld testing :
Ans. a. Destruction test
b. Non-destruction test
811. Name the two types of head stocks:
Ans. a. All geared head stock
b. Cone pulley drive head stock
812. Name the types of bed ways:
Ans. a. Flat bed ways
b. „V‟ bed ways
c. Combination bed ways
813. Name the types of tool posts:
Ans. a. American type tool post
b. Quick change tool post
c. Single way tool post or indexing type or square tool post
814. Name the types of lathe cutting tools:
Ans. a. Solid type tools
b. Brazed type tools
c. Carbide tools
d. Inserted bits with holders
815 Name the types of spindle nose:
Ans. a. Plain threaded spindle nose
b. Long taper spindle nose
c. Stort taper spindle nose
816. Name the types of lathe carriers:
Ans. a. Straight tail carrier
b. Bent tail carrier
c. Clamp type carrier
817. Name the types of lathe centre:
a. Ordinary centre b. Half centre c. Tipped centre
d. Ball centre e. Pipe centre f. Revolving centre
818. Name the different types of shoulders.
Ans. a. Square shoulders
b. Bevelled shoulders
c. Filletted shoulders
d. Under cut shoulders
819. Name the different standard tapers:
Ans. a. Morse taper
b. Broan and sharp taper
c. Journal taper
d. Metric taper
e. Pin taper
820. Name the different methods of taper turning on a lathe:
Ans. a. Form tool method
b. Compound slide method
c. Tail stock offset method
d. Taper turning attachment method
821. Name the types of knurls:
Ans. a. Diamond knurling
b. Straight knurling
c. Cross knurling
d. Concave knurling
e. Convex knurling
822. Name the types steady rests:
Ans. a. Fixed steady rest.
b. Travelling steady res
823. Name the different types of gear trains:
Ans. a. Simple gear train
b. Compound gear train
824. Name the different types of self holding tapers:
Ans. a. The metric taper
b. The morse taper
825. Name the different types of machine screws used in heady duty assembly.
Ans. a. Hexagon head screws
b. Hexagon socket head cap screws.
c. Square head countersink head screws
840. Name the two types of treaming tools.
Ans. a. Fly cutter
b. Hole saw
841. Name the different types of sprigs:
Ans. a. Wire springs II helical compression springs
b. Flat springs II conical disc springs
c. Helical tension springs
d. Helical torsion
842. Name different types of screw drivers:
Ans. a. Standard screw driver
(1. Heavy duty, 2. Light duty)
b. Philips screw driver
c. Offshore screw driver
d. London pattern screw driver
843. Name different of spanners:
Ans. a. Open end spanners
b. Ring spanners
c. Double ended spanner
d. Single ended spanner
844. Name the special purpose spanners
Ans. a. Tube or tubular box spanner
b. Socket spanner
c. Adjustable spanner
d. Hook spanners
845. Name the four types of pliers:
Ans. a. Flat nose pliers
b. Round nose pliers
c. Slip joint pliers
d. End cutting pliers
e. Side cutting pliers
f. Locking pliers
846. Name the different types of pipe wrench Ans.
Ans: a. Chain wrench b. Strap wrench
c. Stillson pipe wrencH d. Foot print wrench
847. Name the different types of spirit level.
Ans. a. Engineers precision spirit level b. Block level
848. Name the different types of standard Engineer‟s squares:
There are three types :
Ans. a. Type-1 – Engineering square bevel edged with stock
b. Type-2 – Engineering square with flat edge and without stock
c. Type-3 - Engineering square with flange.
849. Name the different types of lubricators:
Ans. a. Oil can
b. Oil cup
c. Grease gun
d. Wick feed lubricator
e. Sight feed lubricator
850. Name the different types of circlips:
Ans. a. Internal circlips
b. External circlips
851. Name the two types of adhesive:
Ans. a. Natural adhesive b. Synthetic adhesive
852. Name the two group of foundation bolts:
Ans. a. Fixed type b. Removable type
853. Name the different types of grouting:
Ans. a. Cement concrete grouting b. Sulphur grouting
854. Name the different types of hoists:
Ans. a. Differential hoist
b. Screw geared hoist
c. Spur geared hoist
855. Name the different types of cranes used in rigging operation:
a. Jib cranes b. Travelling crane c. Gantry crane
856. Name the different types of clutches
a. Dot clutch b. Cone clutch c. Air clutch
d. Centrifugal clutch e. Single plate clutch f. Over riding clutch
857. Different types of pipe vices:
a. Portable folding vice b. Chain pipe vice – 200 mm dia c. Pipe vice – 65 mm dia
858. Name the three most common pipe benders
Ans. a. Portable hand operated pipe bender
b. Bench type hand operated pipe bender
c. Hydraulic bending machine
859. Name the different types of presses:
a. Hand press or fly press b. Mechanical type or power press. c. Hydraulic press
860. Name the different types of broaching machines:
Ans. a. Vertical broaching machine
b. Horizontal broaching machine
c. Continues surface broaching machine
861. Name different methods of removing broken taps:
a. Use of tap extractor b. Use of punch c. Annealing and drilling the tap
d. Use of Arc Welding e. Use of Nitric Acid
862. Name the different methods of removing broken studs:
Ans. a. Screw extractor b. Tapered square drift
c. Using screw driver d. Punch and hammer
e. Using spanner
f. By drilling
863. Name the different methods bending rods and pipe in a bench vice:
Ans. a. Bending using bending jaw
b. Bending with Fixture
c. Bending with bending die
864. Name the different methods used for checking minor diameter of external threads:
a. Use the vernier caliper b. Checking with micrometer
865. Name the different methods of testing hardness:
a. Brinell method (HB) b. Vickers method (HV)
c. Rockwell method(HR) d. Shore method
866. Name the different methods of lubricants
a. Forced feed b. Gravity feed c. Splash method
867. Name the different methods of filing
a. Straight filing b. Cross filing c. Draw filing
868. Name the different methods of making threads:
a. By hand b. By lathe c. By casting
d. By milling e. By rolling and pressing