Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

131) In a saturated air-water vapour mixture, the

Answer is:

dry bulb, wet bulb and dew point temperature are same

132) Dew point temperature corresponds to the saturation temperature of vapour at its partial pressure.

Answer is:

Right

133) The capillary tube is not used in large capacity refrigeration systems because

Answer is:

capacity control is not possible

134) The ratio of emissive power of a body to the emissive power of a perfectly black body is called emissivity.

Answer is:

Agree

135) The thermostatic expansion valve operates on the changes in the

Answer is:

degree of superheat at exit from the evaporator

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