The horsepower rating of three-phase motors and the kilovolt-ampere rating of three-phase transformers are about _____ greater than for single-phase motors or transformers with a similar frame size.
A. 75 percent
B. 100 percent
C. 150 percent
D. 200 percent
Answer: C
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Most systems use a flap door that swings about ________ degrees
A) 10 to 25 B) 25 to 40 C) 45 to 90 D) 90 to 120
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Today chemical retardants are used commercially as a(n) _____ part of the growing process of many plants
A) ?occasional B) unusual C) ?usual D) none of the above
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Which failure could cause nothing to happen when the thermostat is set to heat?
A) A bad igniter B) A defective draft switch C) A broken heat anticipator on the thermostat D) A bad gas valve
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The purpose of the field reporting system is to _____
a. identify cost control procedures b. expedite equipment utilization c. acquire information about work performed d. identify information about work budgeted
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