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Heat Pump MCQ Questions And Answers - Refrigeration and Air Conditioning

Heat Pump MCQs : This section focuses on the "Heat Pump" in Refrigeration and Air Conditioning. These Multiple Choice Questions (MCQs) should be practiced to improve the Refrigeration and Air Conditioning skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.

Question 1

A heat pump is basically a heat engine run in the _______________.

A. forward direction
B. reverse direction
C. Both direction
D. None of the above

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Question 2

Heat pumps transfer heat from ____________ to a ______________ by the expense of mechanical energy supplied to it by an external agent.

A. hot body, hot body
B. hot body, cold body
C. cold body, cold body
D. cold body, hot body

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Question 3

A heat pump generally comprises ______ key components.

A. 2
B. 3
C. 4
D. 5

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Question 4

The working substance used in these components is called refrigerant.

C. Can be true or false
D. Can not say

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Question 5

The performance of the heat pump is expressed by the?

A. p
B. h
C. e
D. k

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Question 6

From 1st law of thermodynamics for the cyclic process ΔU equal to?

A. -1
B. 0
C. infinite
D. None of the above

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Question 7

What is the difference between Heat Pump and Refrigerator?

A. Heat Pump Gives efficiency and refrigerator gives C.O.P.
B. Both are similar
C. Both are almost similar, just the desired effect is different
D. Work is output in refrigerator and work is input in heat pump

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Question 8

How is the Relative coefficient of performance represented?

A. Theoretical C.O.P. / Actual C.O.P.
B. Actual C.O.P. / Theoretical C.O.P.
C. Theoretical C.O.P. x Actual C.O.P.
D. 1 / Theoretical C.O.P. x Actual C.O.P.

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Question 9

C.O.P. of the heat pump is always _____

A. one
B. less than One
C. greater than One
D. zero

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Question 10

If a heat pump has a higher number then it will be more efficient and it will consume less energy.

A. Yes
B. No
C. Can be yes or no
D. Can not say

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