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CWB Level 2 Closed Book Questions and Answers 100% Correct
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CWB Level 2 Closed Book Questions and Answers 100% Correct CWB Level 2 Closed Book Questions and Answers 100% Correct CWB Level 2 Closed Book Questions and Answers 100% Correct To measure the strength of a welded joint what mechanical test would you prescribe? a) A transverse weld tensi...

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  • December 19, 2023
  • 5
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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  • cwb level 2 closed book questions and answers 100
  • cwb level 2 closed book questions and answers 2023
  • to measure the strength of a welded joint what mec
  • select the cutting process that would provide th

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CWB Level 2 Closed Book 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. c) 0.025 in. d) 0.030 in. - ANSWER-c) 0.025 in.
Which of the following statements concerning porosity is true?
a) Porosity cannot be trapped within a weld.
b) Porosity moves up through later passes and will show only in a final pass. c) Porosity is restricted to the centre line of a weld.
d) Porosity can result from faulty welder technique.
e) Porosity can be dissipated by an appropriate heat treatment. - ANSWER-d) Porosity can result from faulty welder technique.
An irregular, dense white spot is seen on the radiograph of a weld. Assuming it was caused by the welding process used, which one of the processes below would be responsible?
a) SMAW process. b) GTAW process. c) GMAW process. d) ST process.
e) ESW process. - ANSWER-b) GTAW process.
Which of the following operations is known to result in the emission of ionizing radiation at levels dangerous to human health?
a) Shielded metal arc welding. b) Plasma arc welding.
c) Operation of high voltage portable generator sets.
d) Radiographic inspection.
e) Electroslag and electrogas welding. - ANSWER-d) Radiographic inspection.
The ultrasonic transducer is pressed against the plate of a welded joint. The sound travels longitudinally through the plate to the opposite side. The signal seen on the UT screen that comes from this opposite side of the plate:
a) Is the initial pulse signal.
b) Is the back reflection signal. c) Is the front reflection signal.
d) Must be equal in amplitude to any defect signal.
e) Cannot be used for establishing the thickness of the material under test. - ANSWER-
b) Is the back reflection signal.
Which of the following is a stainless steel electrode?

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