Mechanical Engineering - Heat Transfer, Refrigeration and Air Conditioning - Discussion

40. 

The coefficient of performance of Heat Pump is always __________ one.

[A]. equal to
[B]. less than
[C]. greater than

Answer: Option C

Explanation:

No answer description available for this question.

Navdeep Agarwal said: (Sep 8, 2013)  
COP of VCRC and COP of heat pump is greater than one while COP of VARC and Air refrigeration is less than one.

Rathi said: (Jul 18, 2014)  
COP of Heat Pump = 1 + COP of the Refrigerator.

The COP of the refrigerator and air-conditioner can be less than one or greater than one. The above formula also shows that the COP of the heat pump can never be less than one; it is always more than one.

Aashishkumar said: (Oct 26, 2018)  
Because COP of pump = cop of refrigerator + 1.

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