Postweld heat treatment, often called _____ relieving, consists of uniformly heating the welded parts to a temperature sufficient to relieve most of the stresses created by the welding process.
Answer
crack
inclusion
stress
check
Question 3
Question
______________ are solid non-metallic inclusions entrapped below the surface in the weld metal or more often, between deposited weld metal and the base metal.
Answer
porosity
slag inclusions
cracks
checks
Question 4
Question
______ is an excess of deposit metal, which is not fused to the base metal
Answer
fusion
undercut
overlap
underfill
Question 5
Question
According to the AWS classification system for low carbon steel electrodes, and using E7018 as the example. What does the 1 signify
Answer
welding position
tensile strength
electrode coating, current and polarity
metal thickness
Question 6
Question
To ensure the electrodes function as designed, they must be kept in baking ovens to remove any ________ content
Answer
hydrogen
moisture
carbon
inert
Question 7
Question
_________ is insufficient weld deposit, resulting in a reduction in the thickness of the groove
Answer
Fusion
Undercut
Overlap
Underfill
Question 8
Question
To qualify a welding procedure the _____ must specify a detailed written description of the procedure.
Answer
welder
manufacturer
owner
operator
Question 9
Question
Magnetic particle testing (MT) is an _____ technique for detecting flaws that are either surface, or subsurface.