PPAPER- II (Feb 03)

1. In digital multimeter, setting is a) lowb) shunt is usedc) zerod) changes according to range of switch

2. To increase range of ohm-meter to measure high voltage and resistance to be a) low b) high c) constantd) balance with deflection of probes

3. Advantages of A.C. over D.C. for use on long R-range transmission is a) safe and easy to generateb) it is easy to rectify A.C.c) thinners conductors are usedd) all above are correct

4. In capacitor charging, if key is open and if distance R between plates is increased , thena) capacitance decreasesb) Capacitance increasesc) P.D. increasesd) P.D. decreases & stored

5. E.M.F. induced in the generator is a) Lenz’s lawb) Electromagnetic inductionc) Flemings right hand ruled) Kirchhoff’s low

6. Oil temp. measured with a) thermistorsb) thermocouplec) diodesd) temp. indicator

7. MTCSa) Zener diode used for as amplifierb) High freq. ckts, storage memory used for voltage regulatorc) As in b and as an oscillatord) Varactor diode is used for sketching circuit & electronic tunner

8. Conversion of (4D)16 to binary

a)b)c)d)

9. Conversion of (37)10 to binarya)b)c)d)

1

10. Modem is a) Modulator / Demodulatorb) Software programmec) Operating deviced) Input . output

11. Pilot hole to be drilled in plexig lass , bit used a) ordinary drill bit can usedb) specially designed drill bit should usedc) twist drill to be usedd) wood bit can be used

12. Filler material added to resin(Aviation Dictionary)a) to increase pat lifeb) to improve viscosity & weightc) increases strengthd) all of the above

13. Drift induced anglea) 30 b) 45c) 60d) 90

14. M.T.C.S.a) cold quenching minimize distortion & cracksb) hot water quenching minimize distortion & alleviates cracksc) spray quenching reduces the wear and corrosiond) quenching process not haise considerable effects

15. Heat treatment of Al-alloys and after it allowed to cool for 4 to 5 days is (9A)a) natural ageingb) artificial ageingc) a & bd) room temp of alloys

16. In series of drill size, most accurate drill is (9A,539)a) A to Zb) Fractional seriesc) No. 80 to No. 1d) Any one above

17. What size of hole to be drilled, brown sharp worm thread have 2TPI, (major diameter=3in)a) 2.3134b) 2.3144c) 2.3212d) 1.564

18. Most important factor which affects the indication of dye-penetrate inspection check is a) not proper application of Dyeb) not proper application of penetratesc) parts are not thoroughly degaussed & cleanedd) all of the above

19. Hooks spanner used for (Shop theory,50)a) round nuts and having notches on outer edgeb) square nuts and having at hole an outer peripheryc) hexagonal nuts having holesd) none of above

2

20. In hardness testing, barcol tester used for (9A-220)a) stainless steelb) magnesiumc) Cu & Brass & Al alloyd) Hard materials

21. Which of the following is primary cella) lead acidb) silver zincc) carbon zincd) nickel cadmium

22. Negative plate of Ni-Cd battery is (9A-313)a) KOH hydroxideb) Cadmium sulphatec) Cadmium hydroxided) Nickel chloride

23. Which of the following is incorrecta) wings slanted with lateral axis is dihedral angleb) chord of the wing to relative kind is called angle of attackc) longitudinal axis of a/c & chord of aerofoil is angle of incidenced) angle of attack is angle between chord & speed of a/c

24. Wing aspect ratio is a) wing span / average chord b) b2 / area / s c) b2/area2

d) all of the above

25. Rubber hose are identified by a) inside diab) outside diac) outside dia and its lengthd) its size and dia

26. AN steel flared tube end fittings a) Blackb) Redc) Brownd) Blue

27. Double flared end fittings is for a) ease of constructionb) to resist shearing effect imparted on tubesc) to resist for concentric on the tube flaresd) to take and withstand shock load on tubes

28. Taper pin used for (9A-145)a) shear loadb) for good play between jointsc) for flexibilityd) good rigidity and slackness

29. In treatment on metals, metalizing is the process(9A-132)a) Anodizing of the surface to protectb) Layer of pure Al on steelc) Al, Cu, Zn sprayed from pistol on the metal surfacesd) All of the above

3

30. Flap tab is a) servo tabb) balance tabc) trim tabd) none of the above

31. Removal of excess dye in water washable type is by a) spraying of water jet directly by wiping with clean ragsb) cleaned with wet cloth onec) dye penetrate process involvesd) elapsed , if surface dye is to be removed by water wash operation

32. Crinkle washer used for (CAIP)a) where continuous irrational loadb) lightly load application and for electrical use c) where wear of metals is the factord) .

33. MTCS, related to ATA 100 code(9A-468)a) No. 30, is lightb) No. 33, is hydraulicc) NO. 61, propellerd) a and c

34. Which is important factor related to fuel jettison of a/c(9A-94)a) fuelling accomplished at the end through of wing tipb) fuelling accomplished at outer board of wing sidec) fuelling jettison should be accomplished within 10 Minutesd) make precaution that there is no fire hazard

35. Important consideration regarding pressure fuelling of a/c (9A-500)a) minimizes the time required for fuellingb) keeps the a/c weight within limitc) minimizes the chances of fuel contaminationd) reduces the chances of radio hazard

36. Pressure fuelling method, important precaution should be takena) the pump pressure must be minimumb) the pump pressure should be correctc) the a/c elect. System must indicate the gauge readingsd) the a/c should be grounded

37. Pressure Fuelling also known as a) single point or under wing wellingb) .c) .d)

38. MTCS related to thickness of sheets (CAR)a) No. 1 SWG is smaller than 9 no SWGb) Thickness of 18 SWG is smaller than 16 SWGc) Thickness of 14 SWG is more than is18SWGd) Thickness of 18 SWG is smaller than 14 SWG

39. Fuel designation above grade-100 is (9A)a) it is iso-heptane rating in fuelb) by performance numberc) its performance numbersd)

4

40. MTCS related to bearingsa) bearing should stored horizontally & reprotected once in a yearb) slight corrosion on outer race of bearing is allowedc) shielded bearings should be inspected for corrosiond) all are correct

41. MTCS (9A-25)a) roller bearings takes thrust load b) radial bearings are used for shaft gears etcc) ball bearings withstand heavy radial loadsd) all above correct

42. While demagnetize the partsa) by passing sufficient A.C. into the fieldb) by passing a.c. slowly out to the magnetic fieldc) by repeatedly apply a.c. over the partd) increasing the strength of magnet then cutout a.c

43. Repair of the crack in the weld is done by a) butt weldb) edge jointc) lap jointd) rosselte weld

44. Blacksmith anvil is made up by a) casting and machiningb) extrusionc) forgingd) b & c

45. For soft metals, drill angle is (9A-339)a) angle may increasedb) angle may decreasec) angle will be more than the normald) angle is more or less

46. The hole-drilled have rough surface causesa) the drill kill be dullb) the drill speed is slow as large heat producedc) the drill speed is higherd) a & b

47. Plain washers are used for (9A-131)a) for grippingb) for torquingc) for insertion of cotter pin in holed) all are incorrect

48. MTCS (9A-171)a) corrosion on Al, have etching and pittingb) corrosion on Cu, have greenish filmc) corrosion on Mg, have etching and pittingd) all are correct

49. Which is correct for the Airspeed Indicator?a) pilot pressure fed to the interior of capsuleb) static pressure fed directly to outside of the capsulec) pilot & static pressure difference directly measured on the gauged) all above correct

5

50. Smallest reading of micrometer is viewed with a) low magnificationb) high magnificationc) high or low magnificationd) high or low magnificatione) can easily readable

51. Un doubtfully wrought alloys a) cylinder headb) crank shaftc) cam headd) Al clad sheet

52. Mark correct statement, at time of fuelling of a/ca) Aircraft should be grounded through lines by carbon embedded in timeb) Drag chain connected to fuel truckc) Bonding is connected between a/c, fuel truck & to the fuel filter d) All of the above

53. Dies are used for a) cut external threads b) made up of hard tempered steel & ground to exact sizec) a & b are correctd) to cut internal threads

54. MTCSa) QNF, atmospheric pressure reads zerob) QNH, barometric pressure above elevation at mean sea level.c) QNE, barometric pressure at altituded) b & c are correct

55. Schematic diagram (9A-46)a) Individual component do not locate in the a/cb) Individual component to locate in the systemc) Do not locate component in the system are use to locate parts & assembles of parts to installation

in a/c

56. Tolerance is a) permissible variation in the mating partsb) variation of dimensionsc) difference between upper & lower dimensionsd) it is clearance between the hole and bolt

57. Fretting corrosiona) between skin & rivet around a holeb) slack pits of depositsc) a & b are correctd) it is not visible around the cracks & holes

58. Quality and quantity of X-rays is a) intensity and penetrating powerb) frequency and intensityc) there is no quality but intensity is thered) brightness and penetrating power

59. MTCS, relative to jacking of a/ca) nose of a/c to direction of windb) tall of a/c should be backward direction of windc) as in a , the surface should be level & concrete

6

PAPER-II JUNE-2003

1. Red brass is useda) for fuel and oil line fittingsb) as in a and also called bronzec) as in b and poor casting and forming qualityd) none

2. Nickel in steel increasesa) hardnessb) yield strength c) elastic limitd) ATA

3. Geiger counter is used toa) measure the radioactive contamination of a/c flying above stratosphereb) check the condition of a/c after heavy landingc) check the penetration of a/c by ultraviolet rays above stratosphered) NTA

4. Stalling angle critical angle of attack is thea) max.lift angleb) min. lift anglec) as in a and at which separation of airflow takes from upper surface of wingd) as in b and at which separation of airflow takes from lower surface of wing

5. Angle of ACME thread isa) 450

b) 380

c) 120

d) 290

6. Al. alloy rivets can be heat treateda) max. 5 timesb) max. 15 timesc) infinite timesd) none

7. The type of compressor used in air cycle cooling machine isa) axial compressorb) inward flow compressorc) outward flow compressord) none

8. MTCSa) Al-alloy bolts of dia less than ¼ mm are not used in primary structureb) All Al-alloy nuts and bolts are used where frequent removal is requiredc) Both a & b are correctd) None of the above

9. MTCSa) lap joint is best for oxy-acetylene weldingb) single lap joint is resistance to shearingc) single lap joint is resistance to bendingd) all of the above are wrong

10. Aircraft structural CRS is welded by

7

a) butt weldingb) spot welding & sea weldingc) butt and spot weldingd) spot welding

11. Precision wire wound resistors are wound with a) carbonb) copperc) magnesiumd) all of the above

12. Corrosion of titanium and its alloys are (9A-180)a) difficult to detectb) easy to detectc) as in a & increase with high temperature and saltd) as in b & removed with Al-grid or Al-polished

13. If acid is spilled over skin from an a/c battery then it cleaned with (9A-311)a) waterb) water & boric acidc) water & bicarbonate of sodad) all

14. Ni-cad battery is rapidly charged with (9A-315)a) constant current and variable voltageb) constant voltage and variable currentc) variable voltage and variable currentd) both a & b

15. Indication of corrosion on (9A-171)a) Al and Mg as etching and pittingb) Copper as greenish filmc) Steel as white marksd) Both a & b

16. Which non-ferrous metal can be case – hardened?a) Nib) Tic) Cud) Al

17. Jo-bolt is (9A-124)a) externally threaded two piece rivetb) externally threaded three piece rivetc) internally threaded three piece rivetd) can replace general bolts in compression to their strength

18. Turn buckle is a) for minor adjustment in cable length and cable tension b) has matching left and right hand threadsc) has internally threaded ends and externally threaded end terminalsd) all of the above

1. Extrusion is used for making (Aviation Dictionary)a) channelsb) anglec) T-sectiond) d) All

8

2. Generator frequency depends on a) no of polesb) RPMc) Both a & bd) None

3. For a battery to have high ampere hour capacity and high terminals voltagea) low internal resistanceb) high internal resistancec) does not depend on internal resistanced) none

4. Plug gage is used for (Av. Dictionary)a) checking the internal dia of cylindrical shaftb) checking the size of plug needed for blankingc) checking the accuracy of holesd) all of the above

5. A bolt should be installed (Jeppeson)a) upward and downwardb) upward & forwardc) downward & forwardd) down ward & rearward

6. In a PN junction diode, holes move from P-region to N-region because of a) diffusionb) pressure differencec) higher concentration of holes in P-regiond) electrons in N-region attracts holes from P-region

7. Every third tooth is made straight for a) sawing clearanceb) rocker and for cleaningc) rap sawd) all of he above

8. Shunt ohmmeter measures (9A-330)a) low resistanceb) high resistancec) precision resistanced) infinite resistance

9. Mark the correct statement for transformer (9A-359)a) mutual induction is working principleb) output voltage depends on transformation ratio/turn ratioc) all of the above

10. For constant voltage generator used is (9A-446)a) series b) shuntc) both a & bd) none

11. After heat treatment tempering is done to (9A-211)a) reduce brittleness and softens the metalb) increase brittleness and ductilityc) increase hardness and strengthd) increase hardness

12. Pot life and shelf life

9

a) pot life is related to mixed resin mixture while shelf life is related to resin and hardened individually

b) a) if catalyst is mixed in less amount then it will increase pot life but reducing curing properties c) both a & bd) none

13. Octal no. of 189 is a) 235b) 237c) 265d) 275

14. Internal wrenching bolt takes (9A-123)a) shear loadb) tension loadc) both shear & tension loadd) none

15. Clevis bolt is used for a) shear loadb) tension loadc) both shear & tension loadd) none

16. 10 KB-105 rivet has a) flat headb) countersunk headc) as in a & keyd) as in b and key

17. 10 KB-107 rivet has a) flat headb) countersunk headc) as in a & keyd) as in b and key

18. In Bristol modified method, defect occurs as a) white line (thin)b) green line on darkc) red line none of the above

19. In oil and chalk process, defect occurs of a) dark gray line on light surfaceb) dark line on red back groundc) green line on dark backgroundd) none of the above

20. Intergranular corrosiona) occurs along grain boundariesb) causes exploitation when it becomes severec) as in a and b and detected by UFDd) as in c and detected EFD

21. Porosity in steel castings is detected by a) MPIb) As in a but DPI is more efficientc) Both are equally efficientd) None

10

22. Scuttered acts in MPI indicatesa) fine porosity and pittingb) welding cracksc) tight crackd) laps

23. Variable canvery pump is used wherea) output does not change with requirement of engineb) output varied as per engine requirementc) as in a and fitted with no valved) as in c and fitted with compensated valve for automatic adjusted

24. Ventral provides a) longitudinal stabilityb) longitudinal and lateral stabilityc) lateral stabilityd) none of the above

25. Hydraulic system is based on a) Charles’s lawb) Pascal’s lawc) boyle’s lawd) Newton’s law

26. Essential calculating power area) forceb) distance traveledc) time of doing workd) all of the above

27. 1 HP is usual to a) 735 electric wattsb) 746 electrical wattsc) both a & bd) none

28. Brinell hardness tester (9A-218)a) uses hardened spherical ballb) as in a and measure depth of impressionc) as in b and measure dia of impressiond) none of the above

29. Electric slating is the process of a) provide corrosion resistance surfaceb) provide good surface for further platingc)d) all the above

30. Transferred metal by chemical action over a surface for a) provide corrosion resistance surfaceb) provide base for further platingc) forward upd) all the above

31. Acetylene gas is

11

a) colorlessb) as in a and if stored above 25 psi it becomes highly unstablec) as in b and produced by reaction of calcium carbide with waterd) as in a and produces a yellow colored flame and smoky flame

32. Which fire extinguisher is best for electrical firea) carbon tetrachlorideb) foam c) waterd) CO2

33. While riveting, center hole can be located by a) center pitchb) templatec) hole finderd) all of the above

34. In ATA-100 specification of cable, electrical wire no. and letters are marked as a) prefix and suffixb) side by sidec) in middled) at the end

35. Cotter pin for castlellated nut is made of a) steel / CRSb) cadmium plated low carbonc) stainless steeld) both b & c

36. X-ray equipments are rated by (9A-479)a) ampereb) KVc) Wattd) None

37. When a component exceeds the alert valuea) it should be subjected before flightb) it should continue in flight and corrective action takenc) it can be replaced in night or at 10 hrs whichever is earlier d) none of the above

38. Alert value for a component is (CAR)a) recalculated at every 3 yearsb) recalculated at every 1 monthc) recalculated if it found unreliabled) as in c and it should be less than original alert value

39. When the time between soaking and quenching increases, then a) hardness increasesb) softer the metalc) re-precipitation takes placed) tensile strength increases

40. O-ring can be checked by (9A-168)a) 4-times magnificationb) rolling the ring on a dowell and inner dia can be checkedc) rolling the ring on inspection cone & inner dia can be checked d) all of the above

12

41. Metalizing is a process of a) rolling pure Al-alloy on Al-alloy surfaceb) Ni and Cd plating on steelc) By spraying Ni, Cr on steel with oxy-acetylene flamed) All of the above

42. Which of the following are universal gatesa) NAND & ANDb) NOR & ORc) NAND & NORd) NONE

43. An 12 H5 indicatesa) dia 3/5 and head is not drilledb) dia 6/8 and head is not drilledc) dia 6/8 and head is drilledd) dia 6/8 and shank & head is drilled

44. Engine fires once in a) one revolution of crankshaftb) two revolution of crankshaftc) 3600 revolution of crankshaftd) none of the above

45. Mark the correct statementa) On a/c with steerable nose wheel, the locking scissors are set to full swivel for towing b) Tail wheel a/c should always be towed backwardc) Release all the hydraulic charge before towingd) All of the above

46. Grub-screw is used for a) locking threaded fastenersb) by soldering it is lockedc) locked by penningd) both a & c

47. Bearing strength is the force that resist the (Aviation Dictionary)a) stretching and lengtheningb) slidingc) at the point of tearingd) none

48. Magnetic force always acts on (Aviation dictionary)a) charged particleb) uncharged particlec) charged particle parallel to magnetic fluxd) none

49. Hydrogen gas is emit in the battery (9A-314)a) during all times in lead acid battery servicingb) in Ni-Cd battery, at the end of chargingc) when battery is overchargedd) both a,b,c

50. Ohm’s law does not hold for (Thereja)

13

a) diodeb) NPN-transistorc) Hgd) Both a & b

51. Speed of motor increase when load decrease current decrease because of a) frictional loss between motor’s moving partsb) frictional loss between field winding and other partsc) induced back emf increasesd) none

52. Marking of fluid line is given by (9A-102)a) color and geometrical shapeb) color and wordsc) show the function and direction of fluid flowd) all of the above

53. MTCSa) carbon graphite has more compressive strength than Kevlarb) Kevlar has more compressive strength than carbon graphitec) Carbon graphite has more tensile strength than Kevlard) All of the above

54. Stress corrosion is likely to occurs in (9A-173)a) aluminium b) Mgc) CRSd) Al and stainless steel

55. When re-torqueing is required for a ???a) re-tighten the nut without backing off the nutb) re-tighten the nut with backing off the nut one turnc) re-tighten the nut with backing off by two turnd) never re-tighten the nut

56. When in a/c it is required embossing, etching and marking, then electrical etching is done by a) electrical etching pencil, if applied lightlyb) electrical etching pencil but only for CRSc) electrical etching pencil is prohibited in a/cd) both b & c

PAPER-II (OCT. 2003)

14

1. Flight tab is:a) Balance Tabb) Trig Tabc) Servo Tab

2. End terminal of cable is removed by :a) Drillb) Scriberc) Chisel

3. In ATA-100 specification of cable, electrical wire are identified by:a) At the endb) At the middlec) Side by side

4. What procedure is used to distinguish heat treatable alloys from treatable alloys:a) 10% solution of caustic sodab) 5% solution of muriatic acidc) Rockwell testd) 10% solution of H2SO4

5. When welding a high carbon steel used:a) Low carbon rodb) High carbon rodc) Rod of either low or high carbon contentd) Rod of intermediate carbon content

6. Choose the correct statement:a) Oxy-acetylene flame have more heat energy than oxy-hydrogen flameb) Oxy-hydrogen flame have more heat energy than oxy-acetylene flamec) Both have same heat energy

7. An altimeter consists of:a) Two aneroid capsulesb) Pressure setting knob for adjusting barometric pressurec) Three aneroid capsulesd) All are correct

8. Mark the correct statement regarding drill:a) No. 80 is smaller than No.1b) No.1 is smaller than No.80c) Letter A is bigger than letter Z and No. 80d) Letter A is smaller than No.1 and Latter Z

9. In absence of barometer, altimeter is checked by:a) Micro manometerb) Vacuum chamberc) Vacuum gauged)

10. Static vents in pitot static system are located with:a) Free at air streamb) To eliminate ice formationc) Flexibled) Both (a) & (b)

11. X-ray used in NDT inspection have:

15

a) Short wave length and high penetrating powerb) Short wave length and short penetrating powerc) High wave length and short penetrating powerd) high wave length and high penetrating power

12. To repair a crack, the joint to formed:a) Lapb) Buttc) Teed) Corner

13. Dzus fastener identification includes:a) Head typeb) Diameter & head stylec) Head style, dia & lengthd) None

14. Interrupt flux will cause for:a) Corrosionb) Weak weldc) Lack of penetrationd) Porocity

15. Mark the correct statement:a) Angle between chord line and longitudinal axis is called incidence angleb) Angle between chord line and longitudinal axis is called angle of attackc) Both (a) & (b)

16. Mark the correct statement:a) Output will be high if any one of the input become high for AND gateb) Output will be high if any one or all of the input become high for OR gatec) Output will be high if all of the input will be low for AND gated) None

17. Purpose of using flux in welding is to:a) Reduce oxidationb) Increase the bendingc) Provide flow to the d) All

18. Rockwell tester measured:a) Resistance to penetrationb) Diameter of impressionc) Size indentationd) None

19. Aluminium alloys are welded with:a) Oxidizing flameb) Reducing flamec) Neutral flamed) Reducing flame but first the flame is neutral and then reduced

20. Unix is:a) Single operating Unitb) Double operating Unitc) CAD and record of engineering organizationd) None

16

21. Two wires each one meter long are kept a distance of 0.02 meter apart 1 angle current is flowing through each wire then force acting on the will be:a) Attractive if the direction of the current flowing through wires is sameb) Attractive if the direction of the current flowing will oppositec) Repulsive if direction of current w3ill opposited) Both (a) and (c) are correct

22. In case of battery, which of the following quantity can be stored:a) Energyb) Chargec) Currentd) None

23. T4 and W indicates:a) Solution heat treatmentb) SHT and quenchedc) SHT and artificially agedd) SHT and cold worked

24. For filling slots and key way used:a) Knife fileb) Square filec) Half rout filed) None

25. Mark the correct statement:a) When batteries are connected in series then capacity will increaseb) When batteries are connected in series then voltage will remain copsc) When batteries are connected in parallel then current will increased) All of the above

26. Jet fuel identifiers are:a) Performance no. and designate the volatility of fuelb) Performance no. and are relative to the fuel performance in the a/c enginec) Type no. with sterelation to the fuel in performance in the a/c engined) None

27. The greatest memory of which device:a) Winchester type device disksb) Tape type recording instrumentc) Floppy disk, unitd) None

28. Electric arc welding:a) Emits ultra violet raysb) Emits infrared rays at high currentc) Poisonous gasd) All of the above

29. In instrument, range marking is confirm with:a) Type certificate data sheetb) Flight manualc) Manufacturer maintenance manuald) All

30. Aramid is identified by:a) Black colourb) Yellow colourc) Whole glaming colourd) Brown colour

17

31. Alclad is:a) Coating of Al. alloy on pure Alb) Coating of pure aluminum on Al. alloyc) Coating of pure Al on non metald) None

32. Micrometer shadow is on the:a) Shadow of the thimbleb) Shadow of the sleevec) Shadow of the spindled) None

33. In silver solding, metal melts:a) 200-400 degree Cb) 100-1500 degree Cc) 600-850 degree Cd) none

34. Synthetic thermoplastic:a) When heated become softb) When heated become hardc) When cooled become hardd) Both (a) & (3)

35. A triode consists of:a) A plate, grid and heaterb) A plate, cathode and heaterc) Plate, screen and heaterd) Plate, cathode, heater and wire screen between the plate and

36. Calculate the power which V-28 volt & R-28 ohm:a) 22b) 24c) 36d) 28

37. What about the supporting distance between two support in a metal have outside dia 5/16”:a) 9”b) 16”c) 22”d) 28”

38. Aspect ratio in a wing can be calculated by:a) Span/cordb) Span/areac) Span/aread) None

39. Instrument panels are usually shock mounted to absorb ___ shock:a) Low frequency high amplitudeb) High frequency low amplitudec) High frequency high amplituded) Low frequency low amplitude

40. Brinell hardness tester is applicable to:a) Small part and high hardenerb) Small part and small hardenerc) Large part and small hardenerd) Large part and large hardener

18

41. Finished threads on bolt is checked by:a) Screw pitch gaugeb) Ring thread gaugec) Filler gauged) All

42. Class-B fire includes:a) Fire in wood paper cloth etc.b) Fire in flammable liquidc) Fire in combustible materiald) All

43. In a transformer, voltage is step-up by 1:2 ration then:a) Voltage in secondary become halfb) Current in secondary become halfc) Current in secondary become doubled) None

44. % of material (Pure Al) required for clading on Al. alloy:a) 5%b) 5 – 10%c) 10%d) 5 – 8%

45. Weber-1 is equal to:a) Powerb) Voltagec) Ampered) None

46. Mark the correct statement regarding Al. alloy tubing:a) Dent a acceptable up to 10%b) Clicks is acceptable up to 20% and not goes to heelc) Dent to acceptable up to 20% and not goes to heeld) None

47. Which statement is correct regarding ASI:a) Static pressure is given inside capsuleb) Static pressure is given outsidec) Measure differential pressured) .

48. Resistance in pure semiconductor is:a) Infinite at 0ºb) Remains constantc) Decrease with increase in temperatured) Increase with increase in temperature

49. 90º angle made on the working edge of the scriber is:a) Used matching and marking through holesb) For matching and marking through holesc) To hub the correct markingd) .

19