A circulating pump in a solar collector system needs to be replaced. Pump cost: $327.00. Replacement tubing: 8 ft. at $2.89 per ft. 3
? hours of labor at $53.00 per hour. What is the total cost of the repair?
Fill in the blank(s) with the appropriate word(s).
$535.62
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A Cummins ISX is rated at 625 BHP. Convert to kilowatts:
A. 448 kw B. 466 kw C. 485 kw D. 493 kw
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In perimeter applications using the variable-air-volume system, the primary air handler provides:
A) Variable volume and heating only. B) Constant volume and cooling only. C) Variable volume and constant temperature. D) Constant volume and constant temperature.
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Digital meters for automotive testing should include ________
A) Diode test B) DC amps up to at least 10A C) Both A and B D) Neither A nor B
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For each frequency, what must be calculated?
A. Current B. Voltage C. Nonsinusoidal source D. Average power
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