CWB EXAM QUESTIONS AND ANSWERS GRADED A+
100% VERIFIED.
1. 1.To measure the strength of a welded joint what mechanical test would you
prescribe?
a) A transverse weld tension test
b) A charpy test.
mailto:https://www.stuvia.com/user/techgrades
, c) A CTOD test.
d) An all weld metal tension test. e) A side bend test. ANS >>> a) A
transverse weld tension test
2. 2. Select the cutting process that would provide the narrowest heat affected
zone when cutting 12.5 mm (0.5 in) thick carbon steel.
a) Oxy-acetylene cutting.
b) Air-carbon arc cutting.
c) Oxy-propane cutting.
d) Plasma arc cutting.
e) Laser beam cutting ANS >>> e) Laser beam cutting
3. 3. Which of the following refers to a welder test where a pipe assembly
is placed vertically and the joint welded in the horizontal position without
rotating the assembly?
mailto:https://www.stuvia.com/user/techgrades
, a) 1G
b) 2G
c) 3G
d) 5G
e) 6G ANS >>> b) 2G
4. 4. Which of the following imperfections is normally considered as unaccept-
able regardless of size or location?
a) Porosity.
b) Crack.
c) Inadequate penetration.
mailto:https://www.stuvia.com/user/techgrades
, d) Lamination.
e) Burn-through. ANS >>> b) Crack.
5. 5. Select the correct penetrameter thickness for 2% sensitivity when radi-
ographing a weldment 1 .25 inches in thickness.
a) 0.012 in.
b) 0.015 in.
c) 0.025 in
d) 0.030 in. ANS >>> c) 0.025 in
6. 6. Which of the following statements concerning porosity is true?
a) Porosity cannot be trapped within a weld.
mailto:https://www.stuvia.com/user/techgrades
100% VERIFIED.
1. 1.To measure the strength of a welded joint what mechanical test would you
prescribe?
a) A transverse weld tension test
b) A charpy test.
mailto:https://www.stuvia.com/user/techgrades
, c) A CTOD test.
d) An all weld metal tension test. e) A side bend test. ANS >>> a) A
transverse weld tension test
2. 2. Select the cutting process that would provide the narrowest heat affected
zone when cutting 12.5 mm (0.5 in) thick carbon steel.
a) Oxy-acetylene cutting.
b) Air-carbon arc cutting.
c) Oxy-propane cutting.
d) Plasma arc cutting.
e) Laser beam cutting ANS >>> e) Laser beam cutting
3. 3. Which of the following refers to a welder test where a pipe assembly
is placed vertically and the joint welded in the horizontal position without
rotating the assembly?
mailto:https://www.stuvia.com/user/techgrades
, a) 1G
b) 2G
c) 3G
d) 5G
e) 6G ANS >>> b) 2G
4. 4. Which of the following imperfections is normally considered as unaccept-
able regardless of size or location?
a) Porosity.
b) Crack.
c) Inadequate penetration.
mailto:https://www.stuvia.com/user/techgrades
, d) Lamination.
e) Burn-through. ANS >>> b) Crack.
5. 5. Select the correct penetrameter thickness for 2% sensitivity when radi-
ographing a weldment 1 .25 inches in thickness.
a) 0.012 in.
b) 0.015 in.
c) 0.025 in
d) 0.030 in. ANS >>> c) 0.025 in
6. 6. Which of the following statements concerning porosity is true?
a) Porosity cannot be trapped within a weld.
mailto:https://www.stuvia.com/user/techgrades
