M7: QUALIFICATION & METALURGY Flashcards
Welding procedure qualification & Metallurgy
Q7-1 Which property cannot be determined from a tensile test?
a. ultimate tensile strength
b. percent elongation
c. percent reduction of area impact strength
e. yield strength
Q7-1 Which property cannot be determined from a tensile test?
D?
Q7-2 The property which describes the ability of a metal to deform or resist some applied load is:
a. strength
b. toughness
c hardness
d. ductility
e. none of the above
Q7-2 The property which describes the ability of a metal to deform or resist some applied load is:
A. strength
Q7-3 The point at which a metal’s behavior changes from elastic to plastic (onset of permanent deformation) is referred to as:
a. yield strength
b. ultimate tensile strength
c. modulus of elasticity
d. Young’s modulus
e. none of the above
Q7-3 The point at which a metal’s behavior changes from elastic to plastic (onset of permanent deformation) is referred to as:
A. yield strength
Q7-4 Which of the following is an expression for a metal’s ductility?
a. percent elongation
b. percent reduction of area
c. proportional limit
d. a and b above
e. b and c above
Q7-4 Which of the following is an expression for a metal’s ductility?
D. a and b above
a. percent elongation
b. percent reduction of area
Q7-5 What is the percent elongation of a specimen whose original gage length was 2 inches and final gage length was 2.5 inches?
a. 30%
b. 25%
c. 50%
d. 40%
e. none of the above
Q7-5 What is the percent elongation of a specimen whose original gage length was 2 inches and final gage length was 2.5 inches?
B. 25%
Q7-6 The property of metals which describes their resistance to indentation is called:
a. strength
b. toughness
c. hardness
d. ductility
e. none of the above
Q7-6 The property of metals which describes their resistance to indentation is called:
C. hardness
Q7-7 The type of testing which is used routinely for the qualification of welding procedures and welders is:
a. tensile strength
b. hardness
c. soundness
d. impact strength
e. all of the above
Q7-7 The type of testing which is used routinely for the qualification of welding procedures and welders is:
E. all of the above
a. tensile strength
b. hardness
c. soundness
d. impact strength
Q7-8 Of the following, which properties can be determined as a result of tensile testing?
a. ultimate tensile strength
b. ductility
c. percent elongation
d. yield strength
e. all of the above
Q7-8 Of the following, which properties can be determined as a result of tensile testing?
E. all of the above
a. ultimate tensile strength
b. ductility
c. percent elongation
d. yield strength
Q7-9 The family of hardness tests which uses both a minor and major load is called:
a. Brinell
b. Vickers
c. Rockwell
d. Knoop
e none of the above
Q7-9 The family of hardness tests which uses both a minor and major load is called:
C. Rockwell
Q7-10 Which of the following tests are referred to as microhardness tests?
a. Rockwell
b. Vickers
c. Knoop
d. a and b above
e. b and c above
Q7-10 Which of the following tests are referred to as microhardness tests?
E. b and c above
b. Vickers
c. Knoop
Q7-11 What type of test uses a weighted pendulum which strikes a notched test specimen?
a. Brinell test
b. fatigue test
c. tensile test
d. crack opening displacement (COD)
e. Charily impact test
Q7-11 What type of test uses a weighted pendulum which strikes a notched test specimen?
E. Charily impact test
Q7-12 Of the following, which is one of the most measurable features of a metal?
a. fatigue
b. hardness
c. soundness
d. tension
e. none of the above
Q7-12 Of the following, which is one of the most measurable features of a metal?
A. fatigue
Q7-13 Which of the following is not considered a soundness test?
a. tensile
b. face bend
c. fillet break.
d. root bend
e. nick-break
Q7-13 Which of the following is not considered a soundness test?
A. tensile
Q7-14 The type of testing used to evaluate the type of microstructure present in a metal is called:
a. tensile
b. hardness
c. toughness
d. metalloaraphic
e. none of the above
Q7-14 The type of testing used to evaluate the type of microstructure present in a metal is called:
D. metalloaraphic
Q7-15 A 50 lb can of welding electrodes weighs approximately how many kg?
a. 227 kg
b. 2.3 kg
c. 22.7 kg
d. 23,000 kg
e. none of the above
Q7-15 A 50 lb can of welding electrodes weighs approximately how many kg?
C. 22.7 kg