Refrigeration and Air Conditioning For ammonia refrigerating systems, the tubes of a shell and tube condenser are made of Copper Brass Steel Aluminium Copper Brass Steel Aluminium ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The relative coefficient of performance is Actual COP × theoretical COP None of these Theoretical COP/actual COP Actual COP/theoretical COP Actual COP × theoretical COP None of these Theoretical COP/actual COP Actual COP/theoretical COP ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The colour of the flame of halide torch, in case of leakage of Freon refrigerant, will change to Bright green Orange Red Yellow Bright green Orange Red Yellow ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The condition of refrigerant as it leaves the compressor in a vapour compression system is Wet vapour Superheated vapour Dry saturated vapour Saturated liquid Wet vapour Superheated vapour Dry saturated vapour Saturated liquid ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The value of C.O.P in vapour compression cycle is usually Always more than unity Any one of the above Equal to unity Always less than unity Always more than unity Any one of the above Equal to unity Always less than unity ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In refrigerators, the temperature difference between the evaporating refrigerant and the medium being cooled should be High, of the order of 25° As low as possible (3 to 11°C) Zero Any value High, of the order of 25° As low as possible (3 to 11°C) Zero Any value ANSWER DOWNLOAD EXAMIANS APP
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