Refrigeration and Air Conditioning For evaporators and condensers, for the given conditions, the logarithmic mean temperature difference (tm) for parallel flow is ________ that for counter flow. Greater than Equal to None of these Less than Greater than Equal to None of these Less than ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing pressure of about 67 kg/cm. The refrigerant used is Carbon dioxide Ammonia Brine Freon Carbon dioxide Ammonia Brine Freon ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Reducing suction pressure in refrigeration cycle Increases power required per ton of refrigeration All of these Lowers compressor capacity because vapour is lighter Lowers evaporation temperature Increases power required per ton of refrigeration All of these Lowers compressor capacity because vapour is lighter Lowers evaporation temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The sub-cooling in a refrigeration cycle None of these Does not alter C.O.P. Decreases C.O.P. Increases C.O.P. None of these Does not alter C.O.P. Decreases C.O.P. Increases C.O.P. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The superheating in a refrigeration cycle Increases C.O.P. None of these Does not alter C.O.P. Decreases C.O.P. Increases C.O.P. None of these Does not alter C.O.P. Decreases C.O.P. ANSWER DOWNLOAD EXAMIANS APP