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MRAC
MRAC Set-1
Compressor and Motors
14

Compressor and Motors MCQ with Answers

14) Which valve is closed during compression stroke in reciprocating compressor?

Service valve

Liquid line valve

Discharge valve

Suction valve

Answer is:

Suction valve

Compressor and Motors MCQ with Answers

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Related Compressor and Motors MCQ with Answers

15) Which gas is used for pressure testing the compressor dome?

Air

Oxygen

Nitrogen

Refrigerant

Answer is:

Nitrogen

16) Which cooling medium is used to cool the motor of a hermetic reciprocating compressor in AC?

Discharge vapour

Liquid refrigerant

Suction vapour

Water

Answer is:

Suction vapour

17) What is the method of starting a 3 phase slip ring induction motor?

With starting relay

Using starting capacitor

With running capacitor

Adding resistance to rotor winding

Answer is:

Adding resistance to rotor winding

18) Which is used to connect the rotor bars in 3phase squirrel cage induction motor?

Screw

Welded

End ring

Nut and bolt

Answer is:

End ring

Compressor and Motors MCQ with Answers

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