Distortion is an unwanted change in the shape of a(n) ____.
a. AC signal
b. static volume
c. DC impedance
d. amplifier load
a. AC signal
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The saw blades used for cutting masonry, concrete and stone are made of diamond-tipped steel. Why is that so?
What will be an ideal response?
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Ready accessibility to wiring in luminaires is ____.
A. required in all cases B. required when a building is considered "public" C. not required D. not required if there is a junction box nearby
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The run winding on a compressor has a resistance of 0 ?. This indicates that:
A) The winding is open. B) The winding is grounded. C) The winding has continuity and is good. D) The winding is shorted.
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What color wire is always the hot wire and must be protected by a circuit breaker or fuse?
A. Black B. White C. Red D. Blue
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