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