Why is refrigerant oil flow through the liquid line not a problem?

What will be an ideal response?


Oil flow through the liquid line is not a problem because the oil mixes with the liquid refrigerant.

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When parked on a flat surface you should

A. Turn on the lights. B. Turn the vehicle off. C. Push the brake pedal down. D. Open the trailer doors.

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What are two differences between R404A and R477 (CO2) piping for the same evaporator temperature and system Btuh capacity?

a. R404A piping must withstand lower pressure and is a smaller diameter than R477 b. R477 piping must withstand higher pressure, but has smaller diameter than R404A

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Which job would most likely not be open to a technician with a criminal background?

A) Commercial installation technician B) Systems designer C) Residential service technician D) New construction installation technician

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A typical transaxle repair kit only consists of snap rings and gasket.

a. true b. false

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