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Engineering
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ME Set-1
Heat Transfer Refrigeration and Air Conditioning
356

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

356) R-12 has the __________ freezing point.

lowest

highest

zero

none of these

Answer is:

lowest

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

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Related Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

357) The power per tonne of refrigeration is

3.5/C.O.P.

C.O.P/3.5

3.5 x C.O.P.

none of these

Answer is:

3.5/C.O.P.

358) The process of heat transfer from one particle of the fluid to another by the actual movement of the fluid particles due to difference of density caused by temperature of the particle is known as

conduction

free convection

forced convection

radiation

Answer is:

free convection

359) The thermostatic expansion valve is also called

constant pressure valve

constant temperature valve

constant superheat valve

none of these

Answer is:

constant superheat valve

360) The specific humidity during cooling and dehumidification

remains constant

increases

decreases

none of these

Answer is:

decreases

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

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