Answers10
Where do transverse cracks occur?
(a) weld metal and base metal
(b) weld metal only
(c) base metal only
(d) weld craters - ANSWERS-(a) weld metal and base metal
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 - ANSWERS-(d) open to the surface
and/or below the surface of weld
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 - ANSWERS-(b) interruptions in the desirable
physical structure of the weld
, 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 - ANSWERS-(c) a discontinuity
that represents a danger to fitness for service of weld or structure
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 - ANSWERS-(d) quality, reliability and
economy of welding procedure
Weld discontinuities are divided into these general classes
(a) process or procedure related, metallurgical, and design related
(b) process related, material, and conception
(c) metallurgical and design related
(d) procedure related, design related - ANSWERS-(a) process or procedure related, metallurgical,
and design related
Dimensional errors are the direct result of