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ME Set-1
Heat Transfer Refrigeration and Air Conditioning
68

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

68) Fouling factor is used

in heat exchanger design as a safety factor

in case of Newtonian fluids

when a liquid exchanges heat with a gas

none of the above

Answer is:

in heat exchanger design as a safety factor

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

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Related Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

69) The natural convection air cooled condensers are used in

domestic refrigerators

water coolers

room air conditioners

all of these

Answer is:

domestic refrigerators

70) The process, generally used in winter air-conditioning to warm and humidity the air, is called

humidification

dehumidification

heating and humidification

cooling and dehumidification

Answer is:

heating and humidification

71) At 100% relative humidity, wet bulb temperature, dry bulb temperature, dew point temperature and saturation temperature are equal.

Correct

Incorrect

Answer is:

Correct

72) Bell-Coleman cycle is a

reversed Carnot cycle

reversed Otto cycle

reversed Joule cycle

reversed Rankine cycle

Answer is:

reversed Joule cycle

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

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