____ is the flaking away of metal pieces due to metal fatigue.

A. Spalling
B. Galling
C. Stripping
D. Gouging


Answer: A

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____________________ systems use a spark igniter (direct spark ignition) or a silicon carbide igniter (hot surface ignition) to light the main gas burner directly.

Fill in the blank(s) with the appropriate word(s).

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The ____ let(s) you know where the parts are to be sent once you have completed your part of the assembly process.

A. project routing information B. title box C. bill of materials D. specifications

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N-type material is silicone doped with which of these?

A) Phosphorous B) Antimony C) Arsenic D) Any of these

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The output of a NOR gate is HIGH only when all inputs are HIGH

Indicate whether the statement is true or false

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