Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

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

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

Answer is:

low weight per tonne of refrigeration

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

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.

Answer is:

No

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

Answer is:

sub-cooled liquid region