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MRAC
MRAC Set-1
Package Air Conditioner
22

Package Air Conditioner MCQ with Answers

22) Which valve is kept closed to check the function of low pressure switch?

Reed valve

Suction valve

Liquid line valve

Discharge service valve

Answer is:

Liquid line valve

Package Air Conditioner MCQ with Answers

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Related Package Air Conditioner MCQ with Answers

23) What is the advantage of water pressure cut out switch in package AC?

Raise condensation

Improve evaporation

Protect the compressor

Increase refrigerant flow

Answer is:

Protect the compressor

24) Which safety control is manually reset after rectifying the faults in packages AC?

LP

HP

OLP

OILP

Answer is:

HP

25) Which safety switch deactivates the compressor motor circuit if suction pressure falls below the safe limit in package AC?

Selector switch

Low pressure switch

High pressure switch

Dual pressure switch

Answer is:

Low pressure switch

26) How to position the liquid line valve to start the pump down operation in split AC?

Closed

Opened

Back seated

Back seat crack

Answer is:

Closed

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