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ME Set-1
Heat Transfer Refrigeration and Air Conditioning
195

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

195) The emissivity of a polished silver body is __________ as compared to black body.

same

low

very low

high

Answer is:

very low

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

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Related Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

196) In a pressure enthalpy chart, the space between the saturated liquid line and saturated vapour line, represents sub-cooled liquid region.

Right

Wrong

Answer is:

Wrong

197) R-11 has the highest critical point temperature.

Correct

Incorrect

Answer is:

Correct

198) The ratio of heat extracted in the refrigerator to the workdone on the refrigerant is called

coefficient of performance of refrigeration

coefficient of performance of heat pump

relative coefficient of performance

refrigerating efficiency

Answer is:

coefficient of performance of refrigeration

199) Air refrigerator works on

reversed Carnot cycle

Bell Coleman cycle

reversed Carnot cycle or Bell Coleman cycle

none of these

Answer is:

reversed Carnot cycle or Bell Coleman cycle

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

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