COMPRESSOR AND MOTORS - Practice Mode

1) Which part connects the piston with small end of connecting rod in a reciprocating compressor?

Piston pin Piston bolt Piston rings Piston sleeve

Correct Answer: Piston pin

2) Which winding is made of thin wire in single phase motor?

Main Series Starting Running

Correct Answer: Starting

3) What is the physical condition of refrigerant in hermetic dome of rotary compressor?

LP Liquid HP Liquid HP Vapour LP Vapour

Correct Answer: HP Vapour

4) Which is a positive displacement compressor?

Centrifugal compressor Scroll compressor Water pump Oil pump

Correct Answer: Scroll compressor

5) Which instrument is used to identify the terminals of a compressor motor?

Ammeter Voltmeter Ohm meter Anemometer

Correct Answer: Ohm meter

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