How do technicians increase the blower speed in a belt-driven motor?
A) They tighten belt tension. B) They decrease pulley spread.
C) They increase the pulley spread. D) They loosen belt tension.
B
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The set of a piping offset that has a run of 22 inches and an angle of 45 degrees is _____ inches. (Refer to the figure above.)
a. 12.7 b. 22 c. 38 d. 53.1
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An interest rate of 18% per year, compounded conÂtinuously, is closest to an effective:
(a) 1.51% per quarter (b) 4.5% per quarter (c) 4.6% per quarter (d) 9% per 6 months
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Tankless water heaters:
A. have higher initial costs. B. have a lower BTU per hour rating. C. have lower energy input rates. D. have less complex controls.
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A blue-colored bearing can indicate _____ of the bearing
A) arcing B) brinelling C) misalignment D) overheating
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