.png){kind=logo}
- | Page
CWB LEVEL 2 CLOSED BOOK STUDY
GUIDE
CORRECT SOLUTIONS.
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. - correct 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 - correct answer- e) Laser beam cutting
- / 2
- | Page
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?
- 1G
- 2G
- 3G
- 5G
- 6G - correct 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. - correct answer- b) Crack.
Select the correct penetrameter thickness for 2% sensitivity when radiographing a weldment 1.25 inches in thickness.
- 0.012 in.
- / 2
.png)