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10 Cards in this Set
- Front
- Back
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When compared to other types of stainless steel, the MOST DIFFICULT to weld is |
b. martensitic |
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Before you can return a cobalt-base workpiece to high temperature service, you must |
d. solution-anneal it |
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The weldability of aluminum alloys depends on the |
c. proportions of Cu and magnesium |
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The factor that does NOT affect the size of the heat affected zone of a base metal is the |
b. machine type |
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A metal that has high thermal conductivity |
a. cools slowly and has a large HAZ |
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Hot tearing in a metal weld is attributed to the presence of |
d. low-freezing compounds |
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Hydrogen-induced cold cracking in a metal weld results PRIMARILY from |
a. surface contamination |
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The porosity type often associated with shielded metal arc welding is |
c. cluster |
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Overlapping can best be described as |
b. incomplete fusion |
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To reduce the heat affected zone, welding speeds should be increased by |
a. ensuring the edge preparation provides a good fit-up |
