Nusselt number (NN) is given by
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Mechanical Engineering · all questionsRefrigeration And Air Conditioning
Refrigeration And Air Conditioning
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In case of sensible heating of air, the coil efficiency is given by (where B.P.F. = Bypass factor)
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The undesirable property of a refrigerant is
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The desirable property of a refrigerant is
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The operating pressure for refrigerating units using R-12 as a refrigerant is
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Cooling water is required for following equipment in ammonia absorption plant
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The coefficient of performance of a domestic refrigerator is ________ as compared to a domestic air-conditioner.
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In aqua ammonia and Lithium bromide water absorption refrigeration systems, the refrigerants are respectively
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In order to cool and dehumidify a stream of moist air, it must be passed over the coil at a temperature
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During heating and dehumidification process, dry bulb temperature
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During cooling and dehumidification, dry bulb temperature
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In a domestic vapour compression refrigerator, the refrigerant commonly used is
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In refrigerators, the temperature difference between the evaporating refrigerant and the medium being cooled should be
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The minimum temperature to which water can be cooled in a cooling tower is
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Air refrigeration cycle is used in
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The value of C.O.P. in vapour compression cycle is usually
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The specific humidity during cooling and dehumidification
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The suction pipe diameter of refrigerating unit compressor in comparison to delivery side is
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In a vapour compression refrigeration system, a throttle valve is used in place of an expander because
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In a refrigeration system, heat absorbed in comparison to heat rejected is
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