What instrument is used to determine whether the frequency of an alternator to be brought on line matches the frequency of the bus?
A. Phase sequence meter
B. Prime mover
C. Period meter
D. Synchroscope
Answer: D
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What will be an ideal response?
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Which one of the following is not a main part of the fingernail:
What will be an ideal response?
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A technician replaced a #1157NA with a #1157A bulb. What is the most likely result?
A) The bulb is brighter because the #1157A candlepower is higher B) The amber color of the bulb is a different shade C) The bulb is dimmer because the #1157A candlepower is lower D) Both B and C
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PLC components are very sensitive to _____
A) static B) air pressure C) light D) humidity
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