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CWI Prep Tests > METAL PROP. > Flashcards

METAL PROP. Flashcards

1
Q

1. The tensile strength of a metal is its ability to resist applied forces that cause it to:

  1. Stretch
  2. Compress
  3. Twist
  4. Bend
A

1. The tensile strength of a metal is its ability to resist applied forces that cause it to:

a. Stretch

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2
Q

2. Which of the following are the three (3) kinds of stress that occur in metals?

  1. Ductility, malleability, and machinability
  2. Tension, compression, and shear
  3. Elongation, yield and shear
  4. Cold, hot and compression
A

2. Which of the following are the three (3) kinds of stress that occur in metals?

b. Tension, compression, and shear

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3
Q

3. The property that enables a body deformed by stress to regain its original shape and dimensions is called its:

  1. Elastic limit
  2. Elasticity
  3. Compression stress
  4. Tensile strength
A

3. The property that enables a body deformed by stress to regain its original shape and dimensions is called its:

b. Elasticity

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4
Q

4. By which of the following methods can crystallizing structures be transformed to obtain different properties in an alloy?

  1. Heat the metal at a certain rate to a certain temperature
  2. Soak the metal at a given temperature for specified time
  3. Cool the metal at a specified rate
  4. All of the above
A

4. By which of the following methods can crystallizing structures be transformed to obtain different properties in an alloy?+

D. All of the above

  1. Heat the metal at a certain rate to a certain temperature
  2. Soak the metal at a given temperature for specified time
  3. Cool the metal at a specified rate
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5
Q

5. Ductility is the ability of a metal to:

  1. Withstand smashing blows
  2. Develop great tensile strength
  3. Stretch and become permanently deformed without breaking or cracking
  4. Stretch without breaking or cracking
A

5. Ductility is the ability of a metal to:

c. Stretch and become permanently deformed without breaking or cracking

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6
Q

6. Ductility can be determined by which of the following test:

a. Free Bend Test: Reduction in the area
b. Tensile Test: Percentage expansion
c. Tensile Test: Reduction in the area
d. Impact Test: Mils Longitudinal Compression

A

6. Ductility can be determined by which of the following test:

c. Tensile Test: Reduction in the area

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7
Q

7. A tensile test specimen must meet the minimum tensile requirements of the:

  1. Plate thickness
  2. Inspector
  3. Test position
  4. Base metal
A

7. A tensile test specimen must meet the minimum tensile requirements of the:

d. Base metal

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8
Q

8. Which of the following terms is defined as the load per square inch of the original cross­ sectional area that causes a marked increase in extension without increase in the load?

  1. Ultimate tensile strength
  2. Yield strength/yield point
  3. Tensile strength
  4. None of the above
A

8. Which of the following terms is defined as the load per square inch of the original cross­ sectional area that causes a marked increase in extension without increase in the load?

b. Yield strength/yield point

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9
Q

9. Ductility is represented by what two results of the tensile test?

  1. Yield point and yield strength
  2. Tensile strength and yield strength
  3. % elongation and reduction of area
  4. % elongation and yield
A

9. Ductility is represented by what two results of the tensile test?

c. % elongation and reduction of area

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10
Q

10. The ductility of weld metal refers to its:

  1. Brittleness
  2. Hardness
  3. Elasticity
  4. Resistance to deformation
  5. Ability to plastically deform up to the point of rupture
A

10. The ductility of weld metal refers to its:

e. Ability to plastically deform up to the point of rupture

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11
Q

11. Which of the following methods is not an accepted method for determining yield point?

  1. Drop of the beam method
  2. Offset method
  3. Onset method
  4. Total strain method using extensometer
A

11. Which of the following methods is not an accepted method for determining yield point?

c. Onset method

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12
Q

12. A Nick Break Test is used:

  1. To determine the soundness of welded butt joints
  2. To determine the soundness of fillet welds
  3. To determine the ductility of welded butt joints
  4. All of the above
  5. “a” and “b” above
A

12. A Nick Break Test is used:

E. “a” and “b” above

  1. To determine the soundness of welded butt joints
  2. To determine the soundness of fillet welds
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13
Q

13. Which of the following methods of testing is commonly used to discuss impact properties of ferritic steels?

  1. Charpy V-Notch
  2. Tensile test
  3. Free bend
  4. Nick break test
A

13. Which of the following methods of testing is commonly used to discuss impact properties of ferritic steels?

a. Charpy V-Notch

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14
Q

14. Charpy V-notch test indicates the bar material is tough enough to absorb an energy load at a given temperature and results are given in:

  1. ft-lbs
  2. Pounds per square inch
  3. Pounds per inch
  4. Joules per linear inch
A

14. Charpy V-notch test indicates the bar material is tough enough to absorb an energy load at a given temperature and results are given in:

a. ft-lbs

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15
Q

15. This test is a:

a. Root bend
b. Side bend
c. Face bend
d. Tensile test

A

15. This test is a:

a. Root bend

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16
Q

16. An all-weld-metal standard round tensile specimen can give you:

a. Tensile strength
b. Yield strength
c. Elongation
d. All of the above

A

16. An all-weld-metal standard round tensile specimen can give you:

D. All of the above

a. Tensile strength
b. Yield strength
c. Elongation

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17
Q

17. Tile all-weld-metal tensile test specimen is used to determine:

  1. The strength of the base metal
  2. The strength of the HAZ
  3. The weakest part of the weld joint
  4. The maximum strength of the weld metal
  5. None of these
A

17. Tile all-weld-metal tensile test specimen is used to determine:

d. The maximum strength of the weld metal

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18
Q

18. Percentage elongation and reduction of area indicate which mechanical property(ies) of a weldment?

a. Ductility
b. Yield Point
c. Elastic Limit
d. “a” and “c” above
e. All of the above

A

18. Percentage elongation and reduction of area indicate which mechanical property(ies) of a weldment?

a. Ductility

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19
Q

19. Brittleness is:

  1. Measured in cast iron only
  2. Opposite of ductility
  3. Same as hardness
  4. None of the above
A

19. Brittleness is:

b. Opposite of ductility

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20
Q

20. Toughness means the general ability to:

  1. Develop great tensile strength
  2. Withstand the shock of a rapidly applied load
  3. Break only when cold worked
  4. Resist abrasion
A

20. Toughness means the general ability to:

b. Withstand the shock of a rapidly applied load

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21
Q

21. An example of defective mechanical properties in a weldment is:

  1. Incorrect chemical analysis
  2. Crack
  3. Low tensile strength
  4. “a” and 1’c” above
  5. None of the above
A

21. An example of defective mechanical properties in a weldment is:

c. Low tensile strength

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22
Q

22. Low alloy steels are always:

  1. Killed steels
  2. Rimmed steels
  3. Semi-killed steels
  4. Semi-rimmed steels
A

22. Low alloy steels are always:

a. Killed steels

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23
Q

23. Why is the Vickers Hardness tester more reliable than the Brinell hardness tester on extremely hard materials?

  1. The Vickers hardness tester uses a steel ball under load to measure hardness
  2. The application and removal of the load is done manually on a Vickers hardness tester
  3. The Vickers hardness tester uses a diamond pyramid which does not deform under load
  4. All of the above
A

23. Why is the Vickers Hardness tester more reliable than the Brinell hardness tester on extremely hard materials?

c. The Vickers hardness tester uses a diamond pyramid which does not deform under load

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24
Q

24. Which of the following describes properties found in metallic materials but not in non-metallic materials?

  1. Poor conductivity of electricity and heat
  2. Good conductivity of electricity and heat
  3. Poor heat conductivity and good electrical conductivity
  4. Good heat conductivity and poor electrical conductivity
A

24. Which of the following describes properties found in metallic materials but not in non-metallic materials?

b. Good conductivity of electricity and heat

25
Q

25. The ability of a metal to change its shape wilhoul fracturing is called its:

  1. Hardness
  2. Toughness
  3. Malleability
  4. Annealability
A

25. The ability of a metal to change its shape wilhoul fracturing is called its:

c. Malleability

26
Q

26. When can destructive testing not adversely affect the weldment?

  1. When a run-off tab at the end of a weld or a weld extension is tested
  2. None of the destructive testing techniques adversely affects weldments
  3. It is impossible to avoid adversely affecting weldments with destructive testing
  4. When specific tests are requested prior to making the production welds
A

26. When can destructive testing not adversely affect the weldment?

a. When a run-off tab at the end of a weld or a weld extension is tested

27
Q

27. What is sampling in weld testing?

  1. Simulating an actual stress
  2. Selecting some of the welds for testing
  3. Determining the types of stress the weldment must support
  4. Selecting certain welder’s welds for nondestructive testing
A

27. What is sampling in weld testing?

b. Selecting some of the welds for testing

28
Q

28. If a welder qualification test is failed, what must the welder do to qualify?

  1. Pass two (2) retests to wipe out the original failure
  2. Take some additional training and then pass a retest
  3. Either “a” or “b”
  4. None of the above
A

28. If a welder qualification test is failed, what must the welder do to qualify?

C. Either “a” or “b”

  1. Pass two (2) retests to wipe out the original failure
  2. Take some additional training and then pass a retest
29
Q

29. What test methods and standards are used to test the repaired or replaced welds?

  1. Use original test methods with at least the same performance standards
  2. Use original test methods with ten percent (10%) higher performance standards
  3. Use new, more stringent testing methods in addition to original tests
  4. Alternative criteria established especially for repaired welds
A

29. What test methods and standards are used to test the repaired or replaced welds?

a. Use original test methods with at least the same performance standards

30
Q

30. What factors are valid considerations of the designer when he specifies the type of testing required and the acceptable limits?

  1. The welder
  2. Joint design and welding process
  3. The inspector
  4. All of the above
A

30. What factors are valid considerations of the designer when he specifies the type of testing required and the acceptable limits?

b. Joint design and welding process

31
Q

31. How is an inspection of a weld identified?

  1. Distinguishing marks on or near the inspected work
  2. Documented paperwork
  3. Either or both “a” and “b”
  4. Only by the documentation of inspection reports
A

31. How is an inspection of a weld identified?

C. Either or both “a” and “b”

  1. Distinguishing marks on or near the inspected work
  2. Documented paperwork
32
Q

32. What is a “Mandatory hold point”?

a. The location where a section must be supported
b. A time when witnessing or examination is required by an authorized inspector
c. A joint which is structurally critical and must be extra strong

d. A stopping point in production to allow welders to be retested if necessary

A

32. What is a “Mandatory hold point”?

b. A time when witnessing or examination is required by an authorized inspector

33
Q

33. All but which of the following can be determined from a tensile test?

  1. Ultimate tensile strength
  2. Percent elongation
  3. Percent reduction of area
  4. Impact strength
  5. None of the above
A

33. All but which of the following can be determined from a tensile test?

d. Impact strength

34
Q

34. The property which describes the ability of a metal to deform is:

  1. Strength
  2. Toughness
  3. Hardness
  4. Ductility
  5. None of the above
A

34. The property which describes the ability of a metal to deform is:

d. Ductility

35
Q

35. The point at which a metal’s behavior changes from elastic to plastic (onset of permanent deformation) is referred to as:

  1. Yield point/yield strength
  2. Ultimate tensile strength
  3. Modulus of elasticity
  4. Young’s modulus
A

35. The point at which a metal’s behavior changes from elastic to plastic (onset of permanent deformation) is referred to as:

a. Yield point/yield strength

36
Q

36. Which of the following is an expression for a metal’s ductility?

  1. Percent elongation
  2. Percent reduction of area
  3. Proportional limit
  4. “a” and “b” above
  5. “b” and “c” above
A

36. Which of the following is an expression for a metal’s ductility?

D. “a” and “b” above

  1. Percent elongation
  2. Percent reduction of area
37
Q

37. The term used to describe a metal’s resistance to indentation is:

  1. Strength
  2. Toughness
  3. Hardness
  4. Ductility
  5. None of the above
A

37. The term used to describe a metal’s resistance to indentation is:

c. Hardness

38
Q

38. The Rockwell hardness test scale which utilizes a 1/16” steel ball indenter and 100 kg load is:

  1. A- Scale
  2. B - Scale
  3. C - Scale
  4. D - Scale
  5. None of the above
A

38. The Rockwell hardness test scale which utilizes a 1/16” steel ball indenter and 100 kg load is:

b. B - Scale

39
Q

39. The metal property which is most greatly affected by the surface ccmditicm of the part is:

  1. Tensile strength
  2. Compressive strength
  3. Hardness
  4. Fatigue strength
  5. Impact strength
A

39. The metal property which is most greatly affected by the surface ccmditicm of the part is:

d. Fatigue strength

40
Q

40. The type of strength which is related to metal’s behavior when the load is applied in a cyclic manner is:

a. Tensile
b. Compressive
c. Torsional
d. Impact
e. Fatigue

A

40. The type of strength which is related to metal’s behavior when the load is applied in a cyclic manner is:

e. Fatigue

41
Q

41. The family of hardness tests which utilizes both a minor and major load is called:

a. Brinell
b. Vickers
c. Rockwell
d. Knoop
e. None of the above

A

41. The family of hardness tests which utilizes both a minor and major load is called:

c. Rockwell

42
Q

42. Which of the following tests are referred to as micro-hardness tests?

a. Rockwell
b. Vickers
c. Knoop
d. “a” and “b” above
e. “b” and “c” above

A

42. Which of the following tests are referred to as micro-hardness tests?

E. “b” and “c” above

b. Vickers
c. Knoop

43
Q

43. What type of test utilizes a weighted pendulum which strikes a notched test specimen?

  1. Brinell test
  2. Fatigue test
  3. Tensile test
  4. Toughness test
  5. Charpy impact test
A

43. What type of test utilizes a weighted pendulum which strikes a notched test specimen?

E. Charpy impact test

44
Q

44. Endurance limit can be determined by what type of testing?

  1. Fatigue
  2. Hardness
  3. Soundness
  4. Tension
  5. None of the above
A

44. Endurance limit can be determined by what type of testing?

a. Fatigue

45
Q

45. Which of the following is not considered a soundness test?

  1. Tensile
  2. Face bend
  3. Fillet break
  4. Root bend
  5. Nick break
A

45. Which of the following is not considered a soundness test?

a. Tensile

46
Q

46. The type of testing used to evaluate the type of microstrm:ture present in a metal is called:

  1. Tensile
  2. Hardness
  3. Toughness
  4. Metallographic
  5. None of the above
A

46. The type of testing used to evaluate the type of microstrm:ture present in a metal is called:

d. Metallographic

47
Q

47. Which two metal properties are directly related?

  1. Impact strength and fatigue strength
  2. Tensile strength and ductility
  3. Tensile strength and hardness
  4. Toughness and fatigue strength
  5. None of the above
A

47. Which two metal properties are directly related?

c. Tensile strength and hardness

48
Q

48. The property of metals which describes their ability to carry some type of load is:

  1. Strength
  2. Toughness
  3. Hardness
  4. Ductility
  5. None of the above
A

48. The property of metals which describes their ability to carry some type of load is:

a. Strength

49
Q

49. Generally, as strength increases, the ductility:

  1. Increases
  2. Stays the same
  3. Decreases
  4. Depends on the type of metal
  5. None of the above
A

49. Generally, as strength increases, the ductility:

c. Decreases

50
Q

50. The ability of a metal to absorb energy is called:

  1. Strength
  2. Ductility
  3. Hardness
  4. Toughness
A

50. The ability of a metal to absorb energy is called:

d. Toughness

51
Q

51. Which of the following tests are utilized to verify the soundness of a weld?

  1. Nick break
  2. Fillet break
  3. Bend test
  4. Radiographic test
  5. All of the above
A

51. Which of the following tests are utilized to verify the soundness of a weld?

E. All of the above

  1. Nick break
  2. Fillet break
  3. Bend test
  4. Radiographic test
52
Q

52. Ultimate tensile strength can be determined using which of the following tests?

  1. Tensile
  2. Charpy
  3. Nick break
  4. Nil-ductility drop-weight
A

52. Ultimate tensile strength can be determined using which of the following tests?

a. Tensile

53
Q

53. Calculation of percent elongation is determined after measuring the change in:

  1. Percent reduction of area
  2. Depth of indentation
  3. Diameter of indentation
  4. Cross-sectional area
  5. Gage length
A

53. Calculation of percent elongation is determined after measuring the change in:

e. Gage length

54
Q

54. Calculation of tensile strength is accomplished by dividing the tensile load by:

a. Cross-sectional area
b. Percent elongation
c. Percent reduction of area
d. Gage length
e. None of the above

A

54. Calculation of tensile strength is accomplished by dividing the tensile load by:

a. Cross-sectional area

55
Q

55. The metal property describing its freedom from imperfections is:

a. Tensile strength
b. Soundness
c. Impact strength
d. Toughness
e. Ductility

A
  • *55. The metal property describing its freedom from imperfections is:**
    b. Soundness
56
Q

56. If a metal exhibits a great deal of elongation prior to failing when a tensile load is applied is said to have high:

a. Tensile strength
b. Hardness
c. Impact strength
d. Toughness
e. Ductility

A

56. If a metal exhibits a great deal of elongation prior to failing when a tensile load is applied is said to have high:

e. Ductility

57
Q

57. A specimen approximately 2” long with a V-notch machined in the center of one of its sides is used for which of the following tests?

  1. Tensile
  2. Nil-ductility drop-weight
  3. Charpy
  4. Bend
  5. Tuck break
A

57. A specimen approximately 2” long with a V-notch machined in the center of one of its sides is used for which of the following tests?

c. Charpy

58
Q

58. Which of the following properties can be determined from a tensile test?

  1. Ultimate tensile strength, yield strength, ductility
  2. Yield strength, ductility, toughness
  3. Ductility only
  4. Toughness only
  5. All of the above
A

58. Which of the following properties can be determined from a tensile test?

a. Ultimate tensile strength, yield strength, ductility

59
Q

METAL PROP. ANSWER SHEET

A

CWI Prep Tests (32 decks)

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