Type ____ cable is defined as fabricated assembly of insulated conductors in a flexible metallic enclosure.
a. AC
b. DC
c. BC
d. MC
a. AC
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What would be the highest thermal efficiency achievable in a current truck diesel engine?
A. 10% B. 25% C. 40% D. 60%
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If the neutral in a grounded system is not needed for voltage requirements, it _____.
a. should not be connected to the grounded electrode conductor b. should be connected to the overcurrent device c. must be run to the service and connected to the GEC and EGC d. should be connected to metal raceways
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Where more than one ground rod, pipe, or plate is used, the grounding electrodes must be at least __________ feet apart.
a. 4 b. 8 c. 10 d. None of the above
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What is the frequency, in units of Hertz, of the ac signal: 2 sin (5t) V?
A. 10? B. 5/(2?) C. 5 D. 5/? E. 5?
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