Refrigeration and Air Conditioning In order to collect liquid refrigerant and to prevent it from going to a ________, a device known as accumulator is used at the suction of compressor. Compressor Evaporator Expansion valve Condenser Compressor Evaporator Expansion valve Condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Pick up the correct statement about giving up of heat from one medium to other in ammonia absorption system Strong solution to ammonia vapour Weak solution to strong solution Ammonia vapours to weak solution Strong solution to weak solution Strong solution to ammonia vapour Weak solution to strong solution Ammonia vapours to weak solution Strong solution to weak solution ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a reversed Brayton cycle, the heat is absorbed by the air during Isentropic compression process Isentropic expansion process Constant pressure expansion process Constant pressure cooling process Isentropic compression process Isentropic expansion process Constant pressure expansion process Constant pressure cooling process 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° Any value Zero As low as possible (3 to 11°C) High, of the order of 25° Any value Zero As low as possible (3 to 11°C) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The relative coefficient of performance is Actual COP × theoretical COP None of these Actual COP/theoretical COP Theoretical COP/actual COP Actual COP × theoretical COP None of these Actual COP/theoretical COP Theoretical COP/actual COP ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During sensible cooling, Specific humidity increases Partial pressure of vapour remains constant Relative humidity remains constant Wet bulb temperature increases Specific humidity increases Partial pressure of vapour remains constant Relative humidity remains constant Wet bulb temperature increases ANSWER DOWNLOAD EXAMIANS APP