Compressor and Motors MCQ with Answers

Compressor and Motors MCQ with Answers

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

Answer is:

Suction vapour

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

Answer is:

Adding resistance to rotor winding

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

Answer is:

End ring

19) What is the use of a starting capacitor in single phase induction motor?

Answer is:

Increase starting torque

20) What is the advantage of a hermetically sealed compressor in refrigerator?

Answer is:

Silent operation

1
2
3
4
5
6
7