Refrigeration and Air Conditioning The sub-cooling in a refrigeration cycle 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. None of these Does not alter C.O.P. ANSWER DOWNLOAD EXAMIANS APP
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. Less than None of these Equal to Greater than Less than None of these Equal to Greater than ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The index which correlates the combined effects of air temperature, relative humidity and air velocity on the human body, is known as Dew point temperature Mean radiant temperature None of the listed here Effective temperature Dew point temperature Mean radiant temperature None of the listed here Effective temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A valve which maintains a constant degree of superheat at the end of the evaporator coil, is called Thermostatic expansion valve High side float valve Automatic expansion valve Low side float valve Thermostatic expansion valve High side float valve Automatic expansion valve Low side float valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The condition of refrigerant as it leaves the compressor in a vapour compression system is Saturated liquid Superheated vapour Dry saturated vapour Wet vapour Saturated liquid Superheated vapour Dry saturated vapour Wet vapour ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The pressure at the inlet of a refrigerant compressor is called Critical pressure Back pressure Suction pressure Discharge pressure Critical pressure Back pressure Suction pressure Discharge pressure ANSWER DOWNLOAD EXAMIANS APP
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