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ME Set-1
Heat Transfer Refrigeration and Air Conditioning
169

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

169) The expansion valve in a refrigerator controls the flow of refrigerant.

Correct

Incorrect

Answer is:

Correct

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

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Related Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

170) The relative humidity lines on a psychrometric chart are

vertical and uniformly spaced

horizontal and uniformly spaced

horizontal and non-uniformly spaced

curved lines

Answer is:

curved lines

171) The C.O.P. of a heat pump working on a reversed Carnot cycle is

(T1)/(T2-T1)

(T2-T1)/(T1)

(T1-T2)/(T1)

(T2)/(T2-T1)

Answer is:

(T2)/(T2-T1)

172) A vapour absorption refrigeration system

gives noisy operation

gives quiet operation

requires little power consumption

cools below 0 Degree Centigrade

Answer is:

gives quiet operation

173) The rato of energy transferred by convection to that by conduction is called

Stanton number

Nusselt number

Biot number

Peclet number

Answer is:

Nusselt number

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

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