Refrigeration and Air Conditioning MCQ
Test your knowledge with important Refrigeration and Air Conditioning MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Refrigeration and Air Conditioning MCQs on Bissoy. Bissoy App
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The reciprocating refrigerant compressors are very suitable for
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The humidity ratio or specific humidity is the mass of water vapour present in
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Most air cooled condensers are designed to operate with a temperature difference of
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In vapour compression cycle the condition of refrigerant is superheated vapour
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The freezing point of sulphur dioxide is
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The air cooling system mostly used in transport type aircrafts is
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The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and
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Presence of moisture in a refrigerant affects the working of
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The cooling system used for supersonic aircrafts and rockets is
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A refrigerant with the highest critical pressure is
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In a vapour compression system, the condition of refrigerant before entering the expansion or throttle valve is
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Wet bulb temperature is the temperature of air recorded by a thermometer, when
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Dry bulb temperature is the temperature of air recorded by a thermometer, when
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Which of the following refrigerant has the maximum ozone depletion potential in the stratosphere?
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In air-conditioning of aeroplanes, using air as a refrigerant, the cycle used is
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Short horizontal lines on pressure-enthalpy chart show
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The colour of the flame of halide torch, in case of leakage of Freon refrigerant, will change to
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Which of the following refrigerants has lowest freezing point?
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Which of the following refrigerant has the highest freezing point.
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Accumulators should have adequate volume to store refrigerant charge at least
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The COP of a domestic refrigerator
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The lowest temperature during the cycle in a vapour compression system occurs after
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During sensible cooling of air, specific humidity
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During sensible cooling,
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In vapour compression cycle, the condition of refrigerant is very wet vapour
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In aircraft, air refrigeration Cycle is used because of
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Condensing temperature in a refrigerator is the temperature
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Rating of a domestic refrigerator is of the order of
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Allowable pressure on high pressure side or ammonia absorption system is of the order of
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The capacity of a domestic refrigerator is in the range of