CWB Module 10 Weld faults and
causes Exam Questions and Answers
Verified Solutions Latest Update
(2026/2027)
Question:
A) Incorrect root openings
B) insufficient leg
C) Overlap
D) Incorrect root face
E) Incorrect bevel angles
F) Insufficient throat
Answer:
A) Incorrect root openings, D) Incorrect root face
E) Incorrect bevel angles
Question:
Working with CSA Standard W59 or AWS D1.1 a groove angle specified on a
drawing as 60
degree is required to be between
(a) 45 - 60 degree
(b) 55 - 70 degree
(c) 55 - 65 degree
(d) 60 - 70 degree
Answer:
(b) 55 - 70 degree
,Question:
Where do transverse cracks occur?
(a) weld metal and base metal
(b) weld metal only
(c) base metal only
(d) weld craters
Answer:
(a) weld metal and base metal
Question:
Porosity may occur:
(a) open to the surface of the weld only
(b) in the heat-affected zone only
(c) below the surface of the weld only
(d) open to the surface and/or below the surface of weld
Answer:
(d) open to the
surface and/or below the surface of weld
Question:
Discontinuities are...
(a) unwanted defects
(b) interruptions in the desirable physical structure of the weld
(c) welds that are undesirable
(d) welds that may cause harm to the structure
Answer:
, (b) interruptions in the
desirable physical structure of the weld
Question:
A defect is:
(a) an undesirable interruption of a weld
(b) a dimensional error that needs to be corrected
(c) a discontinuity that represents a danger to fitness for service of weld or
structure
(d) an interruption in the desirable physical structure of the weld
Answer:
(c) a
discontinuity that represents a danger to fitness for service of weld or
structure
Question:
Fitness for service is a concept of weld evaluation that seeks a balance
between
(a) reliability and economy of welding procedure
(b) quality of welding procedure
(c) quality and reliability of welding procedure
(d) quality, reliability and economy of welding procedure
Answer:
(d) quality, reliability
and economy of welding procedure
Question:
causes Exam Questions and Answers
Verified Solutions Latest Update
(2026/2027)
Question:
A) Incorrect root openings
B) insufficient leg
C) Overlap
D) Incorrect root face
E) Incorrect bevel angles
F) Insufficient throat
Answer:
A) Incorrect root openings, D) Incorrect root face
E) Incorrect bevel angles
Question:
Working with CSA Standard W59 or AWS D1.1 a groove angle specified on a
drawing as 60
degree is required to be between
(a) 45 - 60 degree
(b) 55 - 70 degree
(c) 55 - 65 degree
(d) 60 - 70 degree
Answer:
(b) 55 - 70 degree
,Question:
Where do transverse cracks occur?
(a) weld metal and base metal
(b) weld metal only
(c) base metal only
(d) weld craters
Answer:
(a) weld metal and base metal
Question:
Porosity may occur:
(a) open to the surface of the weld only
(b) in the heat-affected zone only
(c) below the surface of the weld only
(d) open to the surface and/or below the surface of weld
Answer:
(d) open to the
surface and/or below the surface of weld
Question:
Discontinuities are...
(a) unwanted defects
(b) interruptions in the desirable physical structure of the weld
(c) welds that are undesirable
(d) welds that may cause harm to the structure
Answer:
, (b) interruptions in the
desirable physical structure of the weld
Question:
A defect is:
(a) an undesirable interruption of a weld
(b) a dimensional error that needs to be corrected
(c) a discontinuity that represents a danger to fitness for service of weld or
structure
(d) an interruption in the desirable physical structure of the weld
Answer:
(c) a
discontinuity that represents a danger to fitness for service of weld or
structure
Question:
Fitness for service is a concept of weld evaluation that seeks a balance
between
(a) reliability and economy of welding procedure
(b) quality of welding procedure
(c) quality and reliability of welding procedure
(d) quality, reliability and economy of welding procedure
Answer:
(d) quality, reliability
and economy of welding procedure
Question:
