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ME Set-1
Heat Transfer Refrigeration and Air Conditioning
362

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

362) In aircraft, air refrigeration Cycle is used because of

low weight per tonne of refrigeration

high heat transfer rate

low temperature at high altitudes

higher coefficient of performance

Answer is:

low weight per tonne of refrigeration

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

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Related Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

363) The material of pipe lines for a system using freon as a refrigerant should be

brass

copper

steel

aluminium

Answer is:

copper

364) The temperature of air recorded by a thermometer, when the moisture present in it begins to condense, is called wet bulb temperature.

Yes

No

Unknown

None

Answer is:

No

365) In a pressure enthalpy chart, the space to the left of the saturated liquid line represents

wet vapour region

superheated vapour region

sub-cooled liquid region

none of these

Answer is:

sub-cooled liquid region

366) During sensible heating of air __________ decreases.

wet bulb temperature

relative humidity

dry bulb temperature

specific humidity

Answer is:

relative humidity

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

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