CWB Level 2 Closed Book
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.
c)A CTOD test.
d)An all weld metal tension test.
e)A side bend test.: a) A transverse weld tension test.
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: e) Laser beam cutting
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 rotat- ing the assembly?
a)1G
b)2G
c)3G
d)5G
e)6G: b) 2G
4.Which of the following imperfections is normally considered as unaccept- able regardless of size or location?
a)Porosity.
b)Crack.
c)Inadequate penetration.
d)Lamination.
e)Burn-through.: b) Crack.
5.Select the correct penetrameter thickness for 2% sensitivity when radi- ographing a weldment 1.25 inches in thickness.
a) 0.012 in.
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.
c)A CTOD test.
d)An all weld metal tension test.
e)A side bend test.: a) A transverse weld tension test.
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: e) Laser beam cutting
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 rotat- ing the assembly?
a)1G
b)2G
c)3G
d)5G
e)6G: b) 2G
4.Which of the following imperfections is normally considered as unaccept- able regardless of size or location?
a)Porosity.
b)Crack.
c)Inadequate penetration.
d)Lamination.
e)Burn-through.: b) Crack.
5.Select the correct penetrameter thickness for 2% sensitivity when radi- ographing a weldment 1.25 inches in thickness.
a) 0.012 in.
