Refrigeration and Air Conditioning Under cooling in a refrigeration cycle O.P remains unaltered Other factors decide C.O.P Decreases C.O.P Increases C.O.P O.P remains unaltered Other factors decide C.O.P Decreases C.O.P Increases C.O.P ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The wet bulb temperature during sensible cooling of air Decreases Remains constant Increases None of these Decreases Remains constant Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The ratio of heat extracted in the refrigerator to the work-done on the refrigerant is called Coefficient of performance of refrigeration Relative coefficient of performance Refrigerating efficiency Coefficient of performance of heat pump Coefficient of performance of refrigeration Relative coefficient of performance Refrigerating efficiency Coefficient of performance of heat pump ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning When the temperature of the surrounding is higher than the temperature of the body, then the heat loss by convection from the body to the surrounding will be None of the listed here Zero Negative Positive None of the listed here Zero Negative Positive ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle using NH₃ as refrigerant, initial charge is filled at High pressure side close to receiver Suction of compressor Low pressure side near receiver Delivery of compressor High pressure side close to receiver Suction of compressor Low pressure side near receiver Delivery of compressor ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant has the maximum ozone depletion potential in the stratosphere? Fluorine Carbon dioxide Sulphur dioxide Ammonia Fluorine Carbon dioxide Sulphur dioxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
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