Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

241) In a black body, all radiations are rejected.

Answer is:

Wrong

242) Most air cooled condensers are designed to operate with a temperature difference of

Answer is:

14 Degree Centigrade

243) In a reversed Brayton cycle, the heat is absorbed by the air during

Answer is:

constant pressure expansion process

244) Wet bulb temperature is the temperature of air recorded by a thermometer, when

Answer is:

its bulb is surrounded by a wet cloth exposed to the air

245) A device used for transfering heat from one fluid to another is called heat exchanger.

Answer is:

Right

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