Questão 1
Questão
The GTAW process demands _______ operator skills
Questão 2
Questão
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
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crack
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inclusion
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stress
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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
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porosity
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slag inclusions
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cracks
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checks
Questão 4
Questão
______ is an excess of deposit metal, which is not fused to the base metal
Responda
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fusion
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undercut
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overlap
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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
Questão 6
Questão
To ensure the electrodes function as designed, they must be kept in baking ovens to remove any ________ content
Responda
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hydrogen
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moisture
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carbon
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inert
Questão 7
Questão
_________ is insufficient weld deposit, resulting in a reduction in the thickness of the groove
Responda
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Fusion
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Undercut
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Overlap
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Underfill
Questão 8
Questão
To qualify a welding procedure the _____ must specify a detailed written description of the procedure.
Responda
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welder
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manufacturer
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owner
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operator
Questão 9
Questão
Magnetic particle testing (MT) is an _____ technique for detecting flaws that are either surface, or subsurface.
Responda
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non destructive
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destructive
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radiographic
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ultrasonic