ASNT Material and process Q&A

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Lavender International Online Assessments: Product Technology: Module 3-1:

Product Technology: Materials & Process for NDT Technology (ASNT Specific)

© Copyright 2000. Lavender International Online Assessments are copyrighted and may only be used for personal use. Your use of the asessments signifies your acknowledgement of this fact and full understanding of the website Terms and Conditions.

1. Products used in load carrying applications require more careful testing because?

Failure can cause loss of life

Failure can cause loss of use of the product

Failure can be expensive

Failure can cause danger to other structures

All the above

2. Loads which are most likely to cause failure are?

Single direction

Multi directional

Duo directional

Pahse orientated

3. The general term for a local variation in material continuity is called?

A discontinuity

A defect

An indication

A crack

4. Where an unacceptable condition occurs in a material, due to local variations in material continuity the term given specifically to this is?

A discontinuity

A flaw

A defect

Any of the above

5. Which of the following could be considered a discontinuity?

Crack

Change of section

Drilled holed

All the above

6. The study and description of a material property related to analytical studies and testing attempts to

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Page 1 of 7Lavender International: Product Technology Assessments: Module 3-1

9/18/2001http://www.lavender-ndt.com/assessments/prodtech_asnt/module3-1.html

quantify the toughness of a material is known as?

Fracture mechanics

Acceptance standards

Defect reliability

Defect analysis

7. A flaw which is deemed to be unacceptable standards is called?

A discontinuity

A defect

An indication

A blemish

8. Which of the following is NOT considered a mode of failure?

Fracture

Plastic deformation

Fatigue

Elastic deformation

9. Brittle fracture is most likely to occur?

At high temperatures

At low temperatures

Under cyclic loading

In a corrosive environment

10. NDT is generally not carried out on cast irons because?

Cast iron is inherently free from major defects

Due to the high carbon content cast iron can withstand high tensile stresses

It is generally used in applications where the loads are principally comprehensive

The low cost of cast iron cannot justify the high cost of NDT

11. To make by hand, machinery or by agency: To produce by labour and usally machinery, defines the?

Manufacturing process

Engineering process

Machinery process

Technology

12. Processing is one or more steps that change a Products?

Shape

Properties

Chemical analysis

Shape and Properties

All the above

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13. Changing a material's shape can be accomplished in which of the following states?

Solid

Liquid

Plastic

Solid and Liquid

All of the above

14. Which of the following is an example of reshaping?

Casting

Forging

Grinding

All of the above

15. The process of solidification during casting can be likened to that of the?

Forging process

Rolling process

Welding process

Extrusion process

16. Reshaping of a material whilst in a plastic or semi-solid form is called?

Casting

Rolling

Extrusion

All of the above

Rolling and Extrusion

17. Which of the following could be referred to as an engineering material?

Plastic

Concrete

Glass

All of the above

18. Which of the following properties of a material can be used to predict the deflection of a certain size beam under known loads?

Tensile strength

Elastic limit

Younges modules

Ductility

19. Which of the following must be considered when choosing an engineering material for a particular application?

Cost

Loading

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Mechanical properties

Inspection costs

Any of the above

20. Which of the following could effect the properties of an engineering material?

Composition

Heat treated condition

Crystal structure

Composition and heat treated condition

Composition, heat treated condition and crystal strucure

21. Which of the following is classed as a chemical property?

Electrical conductivity

Thermal conductivity

Corrosion resistance

Machine resistance

22. Which of the following is classed as a Physical property?

Density

Conductivity

Melting point

All of the above

23. A test designed to determine a materials castability would be classified as looking for a?

Mechanical property

Physical property

Processing property

Chemical property

24. Internal forces acting upon imaginary planes cutting the body being loaded are?

Stresses

Pressures

Strain

Fatigues

25. A stress caused by forces at an angle to the plane is known as a?

Comprehensive stress

Tensile stress

Normal stress

Shear stress

26. A non-destructive test is usually classified as a?

Indirect test

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Direct test

Destructive test

Indirect and direct test

27. If a material is loaded until its elastic limit is exceeded, what condition will occur?

The material may fracture

The material may be work hardened

The material will show no harmful effects

The material may fracture and the material may be work hardened

28. The ultimate strength of material is?

Lower than the breaking strength for ductile materials

Lower than the rupture strength for ductile materials

The same as the breaking strength for brittle materials

None of the above

29. The modulus of elasticity is also known as?

Stress's modulus

Young's modulus

Strain's modulus

Resilience

30. Which of the following materials exhibits better compressive strength than tensile strength?

Cast iron

Concrete

Wood

Concrete and wood

All the above

31. When a metal is very brittle which test is used to replace the tensile test?

The shear test

The transverse rupture test

The compression test

The endurance test

32. Fatigue failure may initiate from?

An area of corrosion

An internal flaw

A surface notch

All the above

33. Which of the following is a Notched Bar test?

Tensile impact test

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Charphy test

Izod test

Charpy test and izod test

All the above

34. Hardness tests can be used to determine material?

Hardness

Composition

Heat treated condition

All the above

35. The superficial Rockwell test is carried out on materials that?

Only allow very small surface blemishes

Are very ductile

Have very large surface areas

None of the above

36. Calculate the factor of safety given that a materials has a working stress of 15, 000 ibs per square inch and an elastic limit of 60, 000 lbs per square inch?

2

4

6

8

37. Which of the following is a notched bar test?

Charpy

Creep

Izod

Charpy and Izod

All of the above

38. To what angle should a bend test be normally bent?

180 degrees

150 degrees

90 degrees

None of the above

39. Which of the following is a hardness test?

Rockwell

Creep

Charpy

Izod

40. Stresses that act along or parallel to a plane are known as?

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Shear stresses

Tensile stresses

Compressive stresses

All of the above

> Check Your Answers

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Here are the corrections:

1. All the above 2. Multi directional 3. A discontinuity 4. A defect 5. All the above 6. Fracture mechanics 7. A defect 8. Elastic deformation 9. At low temperatures 10. It is generally used in applications where the loads are principally comprehensive 11. Manufacturing process 12. Shape and Properties 13. All of the above 14. Forging 15. Welding process 16. Rolling and Extrusion 17. Plastic 18. Younges modules 19. Any of the above 20. Composition, heat treated condition and crystal strucure 21. Corrosion resistance 22. All of the above 23. Processing property 24. Stresses 25. Shear stress 26. Indirect test 27. The material may fracture and the material may be work hardened 28. The same as the breaking strength for brittle materials 29. Young's modulus 30. All the above 31. The transverse rupture test 32. All the above 33. Charpy test and izod test 34. All the above 35. Only allow very small surface blemishes 36. 4 37. Charpy and Izod 38. 180 degrees 39. Rockwell 40. Shear stresses







1. Electrons in an atom can exist?

Only in exact energy levels

Only in exact energy shells

At random throughout the atom

In Exact energy levels and in exact energy shells

All the above

2. A material that has high hardness and good electrical and thermal connectivity is known as?

A plastic material

A ceramic material

A metallic material

A liquid material

3. What term is used to define the change of state directly from solid to gas?

Crystalisation

Vaporisation

Sublimation

None of the above

4. Which of the following is a crystal lattice that has nine atoms, eight at each corner and one centrally between them?

Hexagonal close packing

Body centred cubic

Face centred cubic

Body centred tetragonal

5. Which of the following materials is Body centred cubic at room temperature?

Copper

Gold

Iron

Nickel

6. A property of a fine grain material is that it will?

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Machine more easily than corse grain

Case harden more easily than coarse grain

Have higher strength than coarse grain

All the above

7. Permanent deformation can occur in which of the following ways?

Static deformation

Twinning deformation

Elastic deformation

All of the above

8. Work done to produce plastic deformation below a materials re-crystallisation temperature is known as?

Recovery work

Cold work

Twinning

Plasticity work

9. Solution heat treatment requires which of the following?

To dissolve maximum amount of equilibrium preciptant in the solid solution

Very high temperatures

Diffusion times in excess of 24 hours

All of the above

10. Preciptation hardening is most commonly carried out on which of the following materials?

Carbon steel

Lead

Copper

Alluminium

11. Altropic changes occur in the?

Liquid state

Solid state

Gaseous state

Liquid or solid state

12. Which of the following is an allotropic material?

Iron

Copper

Lead

Aluminium

13. A heat treatment process that requires a material to be heated above its critical temperature for some period of time for carbon to unite in solid solution with iron in the gamma or F.C.C. lattice is known as?

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Spherodizing

Annealing

Austentitization

Normalising

14. A process used to decrease hardness, increase ductility and occasionally improve machinability of high carbon steels is called?

Annealing

Austenitization

Spheroidizing

Stress relieving

15. A treatment that is used to give minimum hardness and maximum ductility of steel is?

Annealing

Austenitization

Spheroidizing

Normalising

16. Localised corrosion causing deep extend holes is known as?

Fisives

Pitting

Worm holes

None of the above

17. Which of the following is classed as permanent deformation?

Twinning

Rotational deformation

Slip

Twinning and Slip

All of the above

18. Annealing will achieve which of the following properties?

Increase ductility and decrease hardness

Increase ductility and increase hardness

Decrease ductility and increase hardness

Decrease ductility and decrease hardness

19. Of the following metals which is most suceptible to corrosion by sea water?

Gold

Copper

Zinc

Lead

20. During the hardening of steel which of the following quenching media will produce the severest

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quench?

Water

Brine

Oil

Air

21. Which is the most common metallic element found on earth?

Iron

Titanium

Aluminium

Magnesium

22. The product of a blast furnace is known as?

Iron

Steel

Pig iron

A pig

23. What is the approproximate carbon content of Pig iron?

1-2%

2-3%

3-4%

4-5%

24. When the carbon content of iron is reduced below 2% it is called?

Steel

Gray iron

White iron

Ductile iron

25. A Bessemer converter is?

A method of producing cast iron

A method of producing pig iron

A method of producing wrought iron

A method of producing steel

26. Practically all steel is made with the use of?

Hydrogen

Oxygen

Nitrogen

Helium

27. The carbon content of low carbon steel is?

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6-25 points of carbon


0.06% -0.25% of carbon

6-25 points and 0.06% -0.25% of carbon

None of the above

28. The carbon content of high carbon steel is?




Over 160 points of carbon

29. An alloy steel is a steel containing one or more?

Elements

Atoms

Mixtures

Components

30. What do the letters AISI?

American Institute of Steel Industries

American Iron and Steel Industries

American Industries of Steel Institutes

American Iron and Steel Institute

31. Which of teh following is a classification of Stainless Steel?

Ferritic

Martensitic

Austenitic

Ferritic and Austenitic

All of the above

32. Austenitic stainless steel most typically contain?

18% Chromium 8% Nickel




33. Which of the following metals can be magentised?

Martensitic stainless

Ferritic stainless

Austenitic stainless

Martensitic stainless and Ferritic stainless

None of the above

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34. Which of the following may be used as an alloying element of steel?

Copper

Nickel

Aluminium

None of the above

All the above

35. Steel has a carbon content of less than?

4%

3%

2%

1%

36. Which is the main alloying element of austenitic stainless steels?

Nickel

Manganese

Molybdenum

Chromium

37. Which of the following furnaces is NOT used to produce steel?

Blast furnace

Bessemer converter

Basic oxygen furnace

Open hearth furnace

38. Tool and die steels are classed as?

Low carbon steels

Medium carbon steels

High carbon steels

Alloy steels

39. Which of the following alloying additions are used to produce tool and die steels?

Nickel

Chromium

Manganese

All of the above

Both Chromium and Manganese


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1. In Exact energy levels and in exact energy shells 2. A metallic material 3. Sublimation 4. Body centred cubic 5. Iron 6. Have higher strength than coarse grain 7. Twinning deformation 8. Cold work 9. To dissolve maximum amount of equilibrium preciptant in the solid solution 10. Alluminium 11. Solid state 12. Iron 13. Austentitization 14. Annealing 15. Spheroidizing 16. Pitting 17. All of the above 18. Increase ductility and decrease hardness 19. Zinc 20. Brine 21. Aluminium 22. Pig iron 23. 3-4% 24. Steel 25. A method of producing steel 26. Oxygen 27. 6-25 points and 0.06%-0.25% of carbon 28. 50-160 points of carbon 29. Elements 30. American Iron and Steel Institute 31. All of the above 32. 18% Chromium 8% Nickel 33. Martensitic stainless and Ferritic stainless 34. All the above 35. 1% 36. Chromium 37. Blast furnace 38. High carbon steels 39. Both Chromium and Manganese







1. Which of the following is classified as a non-ferrous light alloy?

Beryllium base

Zinc base

Tin base

Copper base

2. Of the following, which is considered the most important structural non-ferrous metal?

Copper

Zinc

Tin

Aluminium

3. Aluminium cannot be used in most areas where vibrations combine with high stress. There are special care has to be taken to remove all stress raisers. Which below is considered a stress rasier?

A notch

A scratch

A sudden change of section

A notch and a scratch

All of the above

4. When applying the term annealed to pure aluminium it is interpreted to mean?

Work hardenning

Re-crsytalisation

Stress releasing

Normalising

5. Which NDT method can be used to give general sorting of aluminium alloys?

UT

MT

RT

ET

6. Which metal is most used in electrical work, wiring, etc?

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Copper

Brass

Aluminium

Steel

7. It is generally understood that the principal alloying elements of brass are?

Copper and tin

Copper and zinc

Bronze and tin

Tin and zinc

8. Which two NDT methods are usually used to inspect Magnesium components?

Radiography and penetrant

Radiography and magnetic particle

Ultrasonic and magnetic particle

Ultrasonic and penetrant

9. Wrought zinc and its alloys have very little NDT inspection on them, when a material is plated with zinc it is known as?

Anodizing

Wrapping

Galvanising

Flashing

10. Thermoplasting can be?

Melted down and re-used without loss of properties

Softened by heat

Will char when heated

Melted down and re-used without loss of properties and softened by heat

11. Thermosetting plastics are?

Rigid

Deteriorated by heat

Charred by heat

All of the above

12. Which of the following non-ferrous metals is classed as a light alloy?

Beryllium base

Zinc base

Tin base

All of the above

13. Which of the metals listed below has the highest strength to weight ratio?

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Beryllium

Titanium

Aluminium

Zinc

14. One of the major drawbacks of magnesium alloys is?

Poor corrosion resistance

Notch sensitivity

High density

More expensive than using beryllium which exhibits similar properties

15. Which of the following non-ferrous metals is almost exclusively die-cast?

Aluminium

Copper

Magnesium

Zinc

16. Cobalt is used as an alloying constituent in?

Bearing alloys

Solders

Permanent magnets

Dental alloys

17. Manufacturing is a term used generally to describe the ??? of a bulk material?

Designing

Production

Shape changing

Casting

18. Which of the following is classed as a manufacturing process?

Casting

Welding

Machining

Rolling

All of the above

19. Which of the following manufacturing processes is the most economical method of producing complex shapes?

Casting

Forging

Rolling

Welding

20. In modern manufacturing industries which of the following factors are considered?

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Markets

Product life

Design

Manufacturing process

All of the above

21. Which of the following is required when making a sand casting?

A mold

A pattern

A flask

All of the above

22. Shrinkage within a casting can occur in which of the following states?

Liquid state

Solidification

Solid state

Solidification and solid state

All of the above

23. Pattern makers shrinkage occurs in?

Liquid state of casting

Solidification state of casting

Solid state of casting

All of the above

24. When a change of wall thickness is required in a casting what would give the best design results?

Sudden section change

Small radii

Large radii

All of the above

25. Metal is fed into the casting cavity through a ??? system?

Flow system

Gating system

Pouring system

Riser system

26. Wells outside the normal finished casting are there to allow for?

Gas evolution

Sand erosion

Shrinkage

Airlocks

27. Directional solidification in Castings is helped by the use of?

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Cores

Feederheaders

Chills

Chaplets

28. Where holes or cavities are required in the finished casting a ??? is used in the modling stage?

Chill

Ingate

Riser

Core

29. Green sand is a mixture of sand and?

Clay

Silicon

Water

Clay and water

All of the above

30. The upper half of a flask is called?

A drag

A cope

A draft

A mould

31. Small metal supports which become part of the casting during pouring are called?

Chills

Chaplets

Cores

Risers

32. Which of the following casting processes is best used for small intricate casting - upto 2kg - requiring close tolerances?

Centrifugal casting

Investment casting

Continuous casting

Permanent mold casting

33. The casting process which gives improved material density towrads the outside of teh mold is?

Centrifugal casting

Investment casting

Continuous casting

Permanent mold casting

34. The casting process which produces bar is known as?

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Centrifugal casting

Last wax process

Continuous casting

Plaster mold casting

35. Splashed metal entrapped by molten metal that does not re-fuse is called?

Hot tear

Chill

Inclusion

Cold shut

36. The bottom part of the flask is known as the?

Cope

Bottom board

Drag

Runner

37. Which of the following is used to give preferential solidification of castings?

Chills

Chaplets

Cores

None of the above

38. In the casting process what name is given to the part which is used to represent the finished item?

The mould

The spruce

The pattern

The shell

39. The crystal structure of a casting adjacent to the mould wall will be?

Fine equiaxed grains

Core equiaxed grains

Columnar grains

Dendritic

40. Shrinkage occuring in the casting process can be divided into how many stages?

1

2

3

4


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1. Beryllium base 2. Aluminium 3. All of the above 4. Re-crsytalisation 5. ET 6. Copper 7. Copper and zinc 8. Radiography and penetrant 9. Galvanising 10. Will char when heated 11. Charred by heat 12. Beryllium base 13. Beryllium 14. Notch sensitivity 15. Zinc 16. Permanent magnets 17. Shape changing 18. All of the above 19. Casting 20. All of the above 21. All of the above 22. All of the above 23. Solid state of casting 24. Large radii 25. Gating system 26. Shrinkage 27. Chills 28. Core 29. Clay and water 30. A cope 31. Chaplets 32. Investment casting 33. Centrifugal casting 34. Continuous casting 35. Cold shut 36. Drag 37. Chills 38. The pattern 39. Fine equiaxed grains 40. 3







1. Which of the following is required - in theory - for two perfectly matched faces?

Atomic cleanliness

Atomic closeness

Pressure

Atomic cleanliness and atomic pressure

All the above

2. Fusion bonding creates a metallurgical effect similar to?

Rolling

Forging

Casting

Sintering

3. The bonding process giving very high efficiency is?

Fusion bonding

Pressure bonding

Flow bonding

Atomic bonding

4. A bonding process where only very small amounts of the base metal is used is called?

Fusion bonding

Pressure bonding

Flow bonding

Cold bonding

5. Flow bonding is a particular type of bond, which listed below would be classed as a flow bond?

Fusion welding

Braze welding

Metal arc welding

None of the above

6. Which of these defects can be found in fusion welds?

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Porosity

Slag

Cracks

All of the above

7. That portion of the base metal affected by the welding process is known as?

The weld zone

The heat input zone

The weld affect zone

The heat affected zone

8. Multiple cooling rates can have adverse affects on weld areas. What can be done to offset this problem?

Use different alloy rods to control temperature

Using a pre-heat

Use different alloy rods to control temperature and using a pre-heat

Nothing can be done to offset the problem

9. Angular distortionmay occur in a weld when?

Restraints are used

Multipass welds are used

Single pass welds are used

Multiple welds and single pass welds are used

10. Longitudinal stresses in a weld are at a maximum?

Along the weld centre line

On the weld fusion face

At the heat affected zone

Lomgitudinal stresses are uniform across teh weld

11. What is required to form a fusion bond?

Melting of parent metals

A filler rod

Pressure

All of the above

12. Flow bonding is a term used in the welding process which of the following would be classed as flow bonding?

Brazing

Braze welding

Soldering

All of the above

13. To join two metals which of teh following is essential?

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Atomic closeness

Atomic cleanliness

Melting

Atomic closeness and cleanliness

All the above

14. In order to produce a fully homgenous material afetr welding which of the following is required?

Preheat

Post heat treatment

Low heat input welding

Fillers of different composition

15. In electric arc welding, a metal rod is one electrode, the other is?

The work material

The rod flux

The earth

The work material and the rod flux

16. Stud welding is used primarily to?

Bond two dissimilar metals

Attach threaded fasteners to plates

Rivot plates together

Fuse bar ends together

17. A welding electrode coatings provides?

A shield for the arc against the atmosphere

Added heat input

Additional stresses to the weld

None of the above

18. Where gas is used as a shield for the welding process the gas is commonly?

Argon

Helium

Hydrogen

Argon and Helium

All of the above

19. When using gas metal arc welding what range of filler wire diameter is available?

0.1-0.5mm

0.5-3mm

0.1-30mm

0.5-10mm

20. Automatic welding under a flux is more commonly known as?

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TIG welding

Manual metal arc welding

Submerged arc welding

Stick welding

21. Spot welding is commonly used in which of the following applications?

Car manufacturing

Seam welding

Shipbuilding

Fabrication yards

22. Which welding process takes place in a vacuum?

Plasma arc welding

Electron beam welding

Friction welding

Explosion welding

23. Which welding process is generally used to weld the ends of heavy round bars or tubes?

Ultrasonic welding

Electroslag welding

Plasma arc welding

Friction welding

24. Explosion welding is generally used to join?

Two or more metals of different composition

Butt welds

Very think titanium sheeting

Plastics

25. The drawing symbol at the bottom of the page marked one illustrates a?

Bevel groove

Fillet

J Groove

Vee Groove

26. The drawing symbol at the bottom of the page marked two illustrates a?

Vee Groove

J Groove

U Groove

Bevel Groove

27. AWS categorise weld defects into three classes which below is a dimensional defect?

Slag

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Warping

Lack of fusion

Porosity

28. Which of the following is classed as a structural defect?

Undercut

Slag

Incomplete fusion

Slag and incomplete fusion

All of the above

29. Which of the following defects occur in the base metal?

Lamination

Slag inclusion

Lack of fusion

Lack of penetration

30. Welds without preheat are said to have?

Very low thermal gradients

Low thermal gradients

Medium thermal gradients

High thermal gradients

31. Why is it advisable to leave final inspection of a weld until well after welding has finished?

Because the welds will be too hot to test

Due to the possibility of distortion

Due to the possibility of post weld cracking

All of the above

32. What is the approximate arc column temperature in an electric arc weld?

6000 degrees celsius




33. Which of the following is classified as an inert gas?

Hydrogen

Helium

Oxygen

All of the above

Hydrogen and helium only

34. Which weld process has a non-consumable electrode?

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Manual metal arc

Metal inert gas

Tungsten inert gas

Manual metal arc and metal inert gas

35. The weld symbol µ is used to symbolise a?

Fillet weld

U-Groove

Bevel groove

None of the above

36. When using basic symbols for NDT what letters are used to denote liquid penetrant testing?

LPT

FPT

PT

RPT

37. hich of the following processes could be performed using oxyacetylene equipment?

Flame cutting

Brazing

Soldering

Brazing and Soldering

All of the above

38. How might a weld arc be shielded from oxidation?

Flux powders

Welding rod coatings

Inert gases

Welding rod coatings and inert gases

All of the above

39. The ease with which a solid union may be made between two parts by welding is known as?

Weldability

Joining

Buttering

Soldering

40. A typical temperature range to stress relieve ferritic steel is?

100-150 degrees celsius




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Diagram One for Question 25

Diagram Two for Question 26

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1. Atomic cleanliness and atomic pressure 2. Casting 3. Pressure bonding 4. Flow bonding 5. Braze welding 6. All of the above 7. The heat affected zone 8. Using a pre-heat 9. Multiple welds and single pass welds are used 10. Along the weld centre line 11. Melting of parent metals 12. All of the above 13. Atomic closeness and cleanliness 14. Post heat treatment 15. The work material 16. Attach threaded fasteners to plates 17. A shield for the arc against the atmosphere 18. Argon and Helium 19. 0.5-3mm 20. Submerged arc welding 21. Car manufacturing 22. Electron beam welding 23. Friction welding 24. Two or more metals of different composition 25. Fillet 26. U Groove 27. Warping 28. All of the above 29. Lamination 30. High thermal gradients 31. All of the above 32. 6000 degrees celsius 33. Helium 34. Tungsten inert gas 35. None of the above 36. PT 37. All of the above 38. All of the above 39. Weldability 40. 600-650 degrees celsius







1. Which of the following metals has very little ductility?

Copper

Steel

Iron

Aluminium

2. Mechanical properties are generally improved?

In the direction of rolling

30 degrees to the direction of rolling



3. Grain refinement for metals existing in one crystalline form can be accomplished by?

Hot working

Cold working

Recrystallisation

Hot working and recrystallisation

All the above

4. For steels hot working is performed at temperatures of?





5. How generally is a decarburised layer removed?

Heat treatment

Surface removal

Stress relief

Annealing

All of the above

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6. Improved properties can be achieved by?

Cold rolling

Hot rolling

Extrusion

All of the above

7. Most materials used in Mill work start out as?

Cast ingots

Slabs

Billets

Blooms

8. Which listed below have approximately square cross sections?

Slab

Bloom

Billet

Bloom and Billet

All of the above

9. Of these methods listed below which will eliminate the need for an ingot?

Hot rolling

Continuous casting

Extrusion

None of the above

10. Which of the following may be considered as a flat product of the steel mill?

Sheet

Plate

Strip

Sheet and Strip

All of the above

11. Mill work covers many products. Which below would be classed as a mill product?

Pipe

Tube

Casting

Pipe and tube

None of the above

12. Pipe and tube may be manufactured using which technique?

Extruding

Rolling

Resistance welding

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Extruding and Rolling

All of the above

13. One type of forging operation uses?

Rolling

Casting

Open dies

Extrusion

14. The principal NDT method to locate internal discontinuities in forgings is?

UT

RT

ET

MT

15. Impact forging is more commonly known as?

Open die forging

Drop forging

Closed die

Rotary swaging

16. The term used in powder metallurgy for the bonding of the solid particles is?

Pressing

Blending

Sintering

Mixing

17. A typical application of powder metallurgy parts is?

Cutting tools

Castings for human implants

Extrusion of thin sections

Metal fabrication of minute welds

18. Which of the following has an essentially rectangular cross-section?

Bar

Bloom

Slab

Billet

19. Which of the following is an advantage of the continuous casting process?

Removes the requirement for ingots

Reduces wastage of material

Can produce intricate cross sections

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Removes the requirement for ingots and reduces wastage of material

All of the above

20. Sheets of metal before it is rolled into pipe using a welding bell is called?

Strip stock

Skelp

Pipe stock

Tube stock

21. Which extrusion process uses less pressure due to lower build ups of friction container and billet?

Direct hot working

Indirect cold working

Indirect hot working

Direct cold working

22. Powder metallurgy is used to shape produce refractory metals. Which of the following is classed as a refractory material?

Inconel

Magnesium

Tungsten

Beryllium

23. The shearing operation has many forms - names - of those listed below which is a shearing operation?

Bending

Drawing

Forming

Parting

24. During the bending process what stresses are produced within the material?

Compressive

Shear

Tensile

Compressive and Tenisle

All of the above

25. In explosive forming?

Gun powder is used

High explosive is used

Slow buring propellants are used

High explosive and slow buring propellants are used

26. Which of the following is a hole making operation?

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Splitting

Parting

Blanking

Notching

27. In the machining process metal is removed in the form of?

Swarf

Chips

Fillings

Turnings

28. High speed steels are generally used for which type of cutting tool?

Grinders

Drills

Files

Abrasives

29. The letters N/C in machine work stand for?

Numerical control

Number cycle

Numerical cutting

Number counting

30. Which of the following may be used as a cutting tool material?

Diamonds

Cast iron

Cemented carbides

Both diamonds and cemented carbides

31. What material is usually used in injection molding?

Thermosetting plastics

Thermoplastics

Ceramics

Powder metals

32. What materials are required for reinforced plastic molding?

Filler

Resin

Wood Shavings

Filler and Resin

All of the above

33. Laminates are a composite form which below would be classed as a laminate?

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Fibreglass

Honeycomb

Ceramics

Fibreglass and Honeycomb

34. The letters EDM stands for?

Electronic digital meter

Electro discharge motor

Electrical discharge machinery

Electro dispensing machine

35. The common term used to denote the 'light amplification by stimulated emission of radiation' is?

Laser

Cathode ray tube

Photon Gun

Optical microscope

36. Composites may be made up of which of the following material combinations?

Combinations of different metals

Combinations of different metals and non metals

Combinations of different non metals

All of the above

37. Case hardening is accomplished by?

Carburizing

Heat treating

Flame hardening

Carburizing and flame hardening

38. With which NDT method is surface cleanliness most important?

UT

PT

MT

RT

39. Abrasive finishing could be classified by which of the following methods?

Wire brush

Polishing

Buffing

All of the above

40. Electro plated surfaces are ususally quite thin. Which common NDT methd is used to measure the plate thickness?

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MT

UT

ET

PT

41. Which materials can best be anodised?

Steel

Copper

Aluminium

Brass

42. Which of the following is not a form of case hardening?

Spheroidising

Carburing

Flame hardening

Nitriding

43. Which of the following is a measuring device?

Micrometer

Vernier

Steel rule

All of the above

44. Fixed guages are used?

Only on single purpose applications

To measure internal bores

Shape relationships

All of the above


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ASNT Material and process Q&A