Refrigeration and Air Conditioning The coefficient of performance (C.O.P.) of a refrigerator working as a heat pump is given by ( O.P.)R + 1 ( O.P.)P = ( O.P)R - 1 O.P.)R + 2 O.P)P = ( O.P)P = ( O.P)R ( O.P.)P = ( ( ( O.P.)R + 1 ( O.P.)P = ( O.P)R - 1 O.P.)R + 2 O.P)P = ( O.P)P = ( O.P)R ( O.P.)P = ( ( ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The lower horizontal line of the refrigeration cycle plotted on pressure-enthalpy diagram represents Compression of the refrigerant vapour Metering of the refrigerant liquid Condensation of the refrigerant vapour Evaporation of the refrigerant liquid Compression of the refrigerant vapour Metering of the refrigerant liquid Condensation of the refrigerant vapour Evaporation of the refrigerant liquid ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Absorption system normally uses the following refrigerant CO2 Ammonia Freon-11 Freon-22 CO2 Ammonia Freon-11 Freon-22 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance of Heat Pump is always ___ one. Greater than Equal to Less than None of the listed here Greater than Equal to Less than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The evaporator used in household refrigerators is Defrosting evaporator None of these Frosting evaporator Non-frosting evaporator Defrosting evaporator None of these Frosting evaporator Non-frosting evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The superheated vapour region, in a pressure enthalpy chart, is represented by the space To the left of saturated liquid line None of these To the right of saturated liquid line Between the saturated liquid line and saturated vapour line To the left of saturated liquid line None of these To the right of saturated liquid line Between the saturated liquid line and saturated vapour line ANSWER DOWNLOAD EXAMIANS APP
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