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.)R + 2 ( O.P.)R + 1 O.P)R ( O.P)P = ( O.P)P = ( ( O.P.)P = ( O.P.)P = ( ( O.P)R - 1 O.P.)R + 2 ( O.P.)R + 1 O.P)R ( O.P)P = ( O.P)P = ( ( O.P.)P = ( O.P.)P = ( ( ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A vapour absorption refrigerator uses _________ as a refrigerant. Freon Water Ammonia Aqua-ammonia Freon Water Ammonia Aqua-ammonia 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 comfort conditions in air conditioning are at (where DBT = Dry bulb temperature, and RH = Relative humidity) 22°C DBT and 60% RH 25°C DBT and 40% RH 25°C DBT and 100% RH 20°C DBT and 80% RH 22°C DBT and 60% RH 25°C DBT and 40% RH 25°C DBT and 100% RH 20°C DBT and 80% RH ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Chaperon equation is applicable for registration at Triple point Saturation point of liquid Saturation point of vapour Sublimation temperature Triple point Saturation point of liquid Saturation point of vapour Sublimation temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant is highly toxic and flammable? R-12 Ammonia Carbon dioxide Sulphur dioxide R-12 Ammonia Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
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