CWB Level 2 Closed Book Questions With 100% Correct Answers.

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. c) 0.025 in. d) 0.030 in. - Answer c) 0.025 in.