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When the air is passed through an insulated chamber having sprays of water maintained at a temperature higher than the dew point temperature of entering air but lower than its dry bulb temperature, then the air is said to be
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The refrigerant used in small tonnage commercial machines (hermetically sealed units) is
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In a domestic refrigerator, a capillary tube controls the flow of refrigerant from the
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The lowest temperature during the cycle in a vapour compression system occurs after
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The leakage in a refrigeration system using ammonia is detected by
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The process, generally used in summer air conditioning to cool and dehumidify the air, is called
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The undesirable property of a refrigerant is
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The vertical and uniformly spaced lines on a psychrometric chart indicates
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In order to collect liquid refrigerant and to prevent it from going to a ________, a device known as accumulator is used at the suction of compressor.
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The heat rejection factor (HRF) is given by
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