Refrigeration and Air Conditioning The Freon group of refrigerants are Inorganic refrigerants Halocarbon refrigerants Hydrocarbon refrigerants Zoetrope refrigerants Inorganic refrigerants Halocarbon refrigerants Hydrocarbon refrigerants Zoetrope refrigerants ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One ton refrigeration corresponds to 50 kcal/ hr 80 kcal/ min 50 kcal/ min 80 kcal/ hr 50 kcal/ hr 80 kcal/ min 50 kcal/ min 80 kcal/ hr ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In refrigerator, liquid receiver is required between condenser and flow controlling device, if quantity of refrigerant for system is More than 10 kg Less than 2 kg There is no such consideration More than or equal to 3.65 kg More than 10 kg Less than 2 kg There is no such consideration More than or equal to 3.65 kg ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In aircraft, air refrigeration Cycle is used because of Low weight per tonne of refrigeration Higher coefficient of performance Low temperature at high altitudes High heat transfer rate Low weight per tonne of refrigeration Higher coefficient of performance Low temperature at high altitudes High heat transfer rate ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance (C.O.P.) of a refrigerator working as a heat pump is given by O.P.)P = ( ( O.P)R O.P)P = ( ( O.P.)R + 2 O.P.)R + 1 O.P)P = ( ( O.P.)P = ( O.P)R - 1 ( O.P.)P = ( ( O.P)R O.P)P = ( ( O.P.)R + 2 O.P.)R + 1 O.P)P = ( ( O.P.)P = ( O.P)R - 1 ( ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For large tonnage (more than 200 TR) air-conditioning applications, the compressor recommended is Screw Rotating Reciprocating Centrifugal Screw Rotating Reciprocating Centrifugal ANSWER DOWNLOAD EXAMIANS APP