The optimum effective temperature for human comfort is
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Mechanical Engineering · all questionsRefrigeration And Air Conditioning
Refrigeration And Air Conditioning
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An evaporator is also known as
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In a refrigeration cycle, the flow of refrigerant is controlled by
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Vapour compression refrigeration is somewhat like
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At lower temperatures and pressures, the latent heat of vaporisation of a refrigerant
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A refrigeration cycle operates between condenser temperature of +27°C and evaporator temperature of -23°C. The Carnot coefficient of performance of cycle will be
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The bypass factor (B.P.F.) in case of sensible heating of air is (Where td1 = Dry bulb temperature of air entering the heating coil, td2 = Dry bulb temperature of air leaving the heating coil and td3 = Dry bulb temperature of heating coil)
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The general rule for rating refrigeration systems (excepting for CO2 system) is to approximate following h.p. per ton of refrigeration
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The freezing point of R-12 is
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The coefficient of performance (C.O.P.) of a refrigerator working as a heat pump is given by
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During a refrigeration cycle, heat is rejected by the refrigerant in a
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Freon group of refrigerants are
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The Freon group of refrigerants are
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One ton of the refrigeration is
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The power per tonne of refrigeration is
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An important characteristic of absorption system of refrigeration is
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The evaporator used in household refrigerators is
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Chaperon equation is a relation between
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If the evaporator temperature of a plant is lowered, keeping the condenser temperature constant, the h.p. of compressor required will be
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In vapour compression cycle, the condition of refrigerant is saturated liquid
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