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 Freon Ammonia Brine Carbon dioxide Freon Ammonia Brine Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Reducing suction pressure in refrigeration cycle Increases power required per ton of refrigeration Lowers evaporation temperature All of these Lowers compressor capacity because vapour is lighter Increases power required per ton of refrigeration Lowers evaporation temperature All of these Lowers compressor capacity because vapour is lighter ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The sub-cooling in a refrigeration cycle Decreases C.O.P. Increases C.O.P. Does not alter C.O.P. None of these Decreases C.O.P. Increases C.O.P. Does not alter C.O.P. None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The superheating in a refrigeration cycle Decreases C.O.P. Does not alter C.O.P. Increases C.O.P. None of these Decreases C.O.P. Does not alter C.O.P. Increases C.O.P. None of these ANSWER DOWNLOAD EXAMIANS APP
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