EXAMIANS
The leaks in a refrigeration system using Freon are detected by
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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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The lower horizontal line of the refrigeration cycle plotted on pressure-enthalpy diagram represents
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Which of the following refrigerant is highly toxic and flammable?
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Rating of a domestic refrigerator is of the order of
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The change in evaporator temperature in a refrigeration cycle, as compared to change in condenser temperature, influences the value of C.O.P.
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The undesirable property of a refrigerant is
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The temperature of air recorded by a thermometer, when its bulb is surrounded by a wet cloth exposed to the air, is called
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Hydrogen is used in Electrolux refrigeration system so as to _________ the rate of evaporation of the liquid ammonia passing through the evaporator.
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The wet bulb depression indicates _________ humidity of the air.
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