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Engineering
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ME Set-1
Heat Transfer Refrigeration and Air Conditioning
360

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

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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Related Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

361) The capillary tube, as an expansion device, is used in

domestic refrigerators

water coolers

room air conditioners

all of these

Answer is:

all of these

Explanation:

The capillary tube, as an expansion device, is used in
* domestic refrigerators
* water coolers
* room air conditioners

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

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

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

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