Pregunta 1
Pregunta
The GTAW process demands _______ operator skills
Pregunta 2
Pregunta
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.
Respuesta
-
crack
-
inclusion
-
stress
-
check
Pregunta 3
Pregunta
______________ are solid non-metallic inclusions entrapped below the surface in the weld metal or more often, between deposited weld metal and the base metal.
Respuesta
-
porosity
-
slag inclusions
-
cracks
-
checks
Pregunta 4
Pregunta
______ is an excess of deposit metal, which is not fused to the base metal
Respuesta
-
fusion
-
undercut
-
overlap
-
underfill
Pregunta 5
Pregunta
According to the AWS classification system for low carbon steel electrodes, and using E7018 as the example. What does the 1 signify
Pregunta 6
Pregunta
To ensure the electrodes function as designed, they must be kept in baking ovens to remove any ________ content
Respuesta
-
hydrogen
-
moisture
-
carbon
-
inert
Pregunta 7
Pregunta
_________ is insufficient weld deposit, resulting in a reduction in the thickness of the groove
Respuesta
-
Fusion
-
Undercut
-
Overlap
-
Underfill
Pregunta 8
Pregunta
To qualify a welding procedure the _____ must specify a detailed written description of the procedure.
Respuesta
-
welder
-
manufacturer
-
owner
-
operator
Pregunta 9
Pregunta
Magnetic particle testing (MT) is an _____ technique for detecting flaws that are either surface, or subsurface.
Respuesta
-
non destructive
-
destructive
-
radiographic
-
ultrasonic