The alternating current phase arrangement on 3-phase busses are ____ from front to back, top to bottom, or left to right, as viewed from the front of the switchboard, switchgear, or panelboard.

A. A, B, C
B. C, B, A
C. B, C, A
D. A, C, B


Answer: A

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Wind turbines for residential applications range in size from 50 watts to ____________________ kW.

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

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Which type of EGR valve requires a positive exhaust system pressure to operate?

A) Linear B) Negative backpressure C) Positive backpressure D) Digital

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When the profile tolerance is not equally split on each side of true profile, the total profile tolerance value is placed before the unequally disposed symbol in the feature control frame and the value of the tolerance that adds material to the feature or part is placed after the unequally disposed symbol.

Answer the following statement true (T) or false (F)

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The unit of measurement for sound is the decibel, or one-tenth of a bel.