MCQs: Condensing temperature in a refrigerator is the temperature_________________?
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MCQs: In refrigerators, the temperature difference between the evaporating refrigerant and the medium being cooled should be_________________?
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MCQs: In a flooded evaporator refrigerator, an accumulator at suction of compressor is used to___________________?
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MCQs: Accumulators should have adequate volume to store refrigerant charge at least_________________?
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MCQs: A refrigeration cycle operates between condenser temperature of + 27°C and evaporator temperature of- 23°C. The Cannot coefficient of performance of cycle will be_________________?
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MCQs: In vapor compression refrigeration system, refrigerant occurs as liquid between_________________?
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MCQs: Efficiency of a Carnot engine is given as 80%. If the- cycle direction be reversed, what will be the value of COP of reversed Carnot cycle_________________?
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MCQs: Aqua ammonia is used as refrigerant in the following type of refrigeration system_________________?
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MCQs: If a heat pump cycle operates between the condenser temperature of +27°C and evaporator temperature of – 23°C, then the Carnot COP will be_________________?
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MCQs: In a refrigeration cycle, the flow of refrigerant is controlled by___________________?
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MCQs: The lower horizontal line of the refrigeration cycle plotted on pressure-enthalpy-diagram represents_____________________?
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MCQs: Freon group of refrigerants are___________________?
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MCQs: In vapour compression cycle using NH3 as refrigerant, initial charge is filled at_________________?
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MCQs: On the pressure-enthalpy diagram, condensation and desuperheating is represented by a horizontal line because the process ________________?
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MCQs: The leaks in a refrigeration system using Freon are detected by____________________?
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MCQs: Moisture in freon refrigeration system causes________________?
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MCQs: Super heating in a refrigeration cycle __________________?
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MCQs: For obtaining high COP, the pressure range of compressor should be_______________?
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MCQs: The C.O.P of a refrigeration cycle with increase in evaporator temperature, keeping condenser temperature constant, will______________________?
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MCQs: Most of the domestic refrigerators work on the following refrigeration system _________________?
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