Air conditioning single-family homes

A) commercial


C

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Hydrocracking is the use of hydrogen gas to lower the oxygen content of the bio-oil, the same process by which oil refineries treat crude oil

Indicate whether the statement is true or false.

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The welds on ____ piping systems must be as strong or stronger than the pipe itself.

A. critical B. all C. medium-pressure D. low-pressure

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On a power steering rack system, a customer complains that the steering wheel is not level. The concern is verified during a road test. It is also noticed that the wheel is sometimes off to the right, and sometimes off to the left. The most likely cause of this condition is:

A. Incorrect preload on rack guide B. Incorrect tire pressure C. Wheel alignment being out of specifications D. Worn mounting bushings for the power steering rack housing

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What can cause hard steering on a vehicle equipped with a hydraulic power assisted steering system?

A) Low or contaminated power steering fluid B) Slipping power steering pump drive belt C) Low tire pressure D) Any of the above

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