CWB LEVEL 2 CLOSED BOOK EXAM QUESTIONS
AND ANSWERS 100% CORRECT!!
, To measure the strength of a welded joint what mechanical test would you prescribe?
a) A transverse weld tension test.
b) A charpy test.
c) A CTOD test.
d) An all weld metal tension test.
e) A side bend test. - ANSWER a) A transverse weld tension test.
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 - ANSWER e) Laser beam cutting
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?
a) 1G
b) 2G
c) 3G
d) 5G
e) 6G - ANSWER b) 2G
Which of the following imperfections is normally considered as unacceptable regardless
of size or location?
a) Porosity.
b) Crack.
c) Inadequate penetration.
d) Lamination.
e) Burn-through. - ANSWER b) Crack.
Select the correct penetrameter thickness for 2% sensitivity when radiographing a
weldment 1.25 inches in thickness.
a) 0.012 in.
b) 0.015 in.
AND ANSWERS 100% CORRECT!!
, To measure the strength of a welded joint what mechanical test would you prescribe?
a) A transverse weld tension test.
b) A charpy test.
c) A CTOD test.
d) An all weld metal tension test.
e) A side bend test. - ANSWER a) A transverse weld tension test.
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 - ANSWER e) Laser beam cutting
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?
a) 1G
b) 2G
c) 3G
d) 5G
e) 6G - ANSWER b) 2G
Which of the following imperfections is normally considered as unacceptable regardless
of size or location?
a) Porosity.
b) Crack.
c) Inadequate penetration.
d) Lamination.
e) Burn-through. - ANSWER b) Crack.
Select the correct penetrameter thickness for 2% sensitivity when radiographing a
weldment 1.25 inches in thickness.
a) 0.012 in.
b) 0.015 in.
