The largest of the three common stainless steel groups, and the type most often encountered by welders, is the
_____.
a. austenitic group
b. ferritic group
c. martensitic group
d. chromium-martensitic group
a
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What type of piping inspection uses a hydraulic pump to increase the pressure on a water-filled system in order to test for leaks?
A. Pressure tightness testing B. Hydrostatic testing C. Pneumatic testing D. Nondestructive examination
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Animals can be considered organic when they have been given antibiotics
Indicate whether the statement is true or false
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Compared to the stator current, the rotor current is:
A) Opposite in polarity. B) Much stronger. C) Fixed instead of varying. D) Similar in polarity.
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A ____ topology does not have multiple transmission paths.
A. star B. mesh C. cluster-free
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