EXAMIANS
The ratio of actual mass of water vapour in a given volume of moist air to the mass of water vapour in the same volume of saturated air at the same temperature and pressure, is called
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An important characteristic of absorption system of refrigeration is
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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 leaks in a refrigeration system using Freon are detected by
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A heat pump working on a reversed Carnot cycle has a C.O.P. of 5. It works as a refrigerator taking 1 kW of work input. The refrigerating effect will be
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Nusselt number (NN) is given by
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The relative coefficient of performance is
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When the lower temperature of a refrigerating machine is fixed, then the coefficient of performance can be improved by
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In which of the following refrigeration system, waste heat can be effectively used?
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The difference between dry bulb temperature and dew point temperature, is called
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