Refrigeration and Air Conditioning At lower temperatures and pressures, the latent heat of vaporisation of a refrigerant depends on other factors decreases remains same increases depends on other factors decreases remains same increases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning If the evaporator temperature of a plant is lowered, keeping the condenser temperature constant, the h.p. of compressor required will be Less More More/less depending on rating Same Less More More/less depending on rating Same ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning 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 5 0.2 1.2 6 5 0.2 1.2 6 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In aqua ammonia and Lithium bromide water absorption refrigeration systems, the refrigerants are respectively Ammonia and water Ammonia and lithium bromide Water and lithium bromide Water and water Ammonia and water Ammonia and lithium bromide Water and lithium bromide Water and water ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The evaporator used in household refrigerators is None of these Frosting evaporator Non-frosting evaporator Defrosting evaporator None of these Frosting evaporator Non-frosting evaporator Defrosting evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In mechanical refrigeration system, the refrigerant has the maximum temperature Before expansion valve Between condenser and evaporator Between compressor and condenser In evaporator Before expansion valve Between condenser and evaporator Between compressor and condenser In evaporator ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS