Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

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.

Answer is:

Wrong

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

Answer is:

Correct

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

Answer is:

coefficient of performance of refrigeration

199) Air refrigerator works on

Answer is:

reversed Carnot cycle or Bell Coleman cycle

200) The reciprocating refrigerant compressors are very suitable for

Answer is:

small displacements and high condensing pressures

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