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Engineering
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ME Set-1
Heat Transfer Refrigeration and Air Conditioning
25

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

25) While designing the refrigeration system of an aircraft, the prime consideration is that the

system has high C.O.P.

power per TR is low

mass of refrigerant circulated in the system is low

mass of the refrigeration equipment is low

Answer is:

mass of the refrigeration equipment is low

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

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Related Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

26) The heat transfer takes place according to

Zeroth law of thermodynamics

First law of thermodynamics

Second law of thermodynamics

Kirchhoff's law

Answer is:

Second law of thermodynamics

27) An electrolux refrigerator is called a __________ absorption system.

single fluid

two fluids

three fluids

four fluids

Answer is:

three fluids

28) The heat transfer by radiation __________ a medium.

requires

does not require

no answer

none of these

Answer is:

does not require

29) Thermal conductivity of water __________ with rise in temperature.

remains same

decreases

increases

may increase or decrease depending upon temperature

Answer is:

may increase or decrease depending upon temperature

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

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