The addition of air to water is called

A. precipitation
B. aeration
C. anaerobic
D. settling


Answer: B

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Most commonly used flat head screws have a head angle of ________ degrees

A) 82 B) 60 C) 52 D) 72

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When a diode allows current to flow through it, what state is it in?

A. forward bias B. reverse bias C. neutral bias D. none of the above

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List four different substances that can be used in conjunction with the soldering and brazing processes.

What will be an ideal response?

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