Refrigeration and Air Conditioning Which of the following cycles uses air as the refrigerant? Bell Coleman Ericson Stirling Carnot Bell Coleman Ericson Stirling Carnot ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The operating pressure for refrigerating units using R-12 as a refrigerant is 15 bar 30 bar 2 bar 8 bar 15 bar 30 bar 2 bar 8 bar ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A vapour absorption refrigerator uses _________ as a refrigerant. Water Freon Ammonia Aqua-ammonia Water Freon Ammonia Aqua-ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The thermostatic expansion valve is used in ________ type of evaporators. None of these Flooded Dry DX coil None of these Flooded Dry DX coil ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The relative coefficient of performance is 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 Actual COP × theoretical COP ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A heat pump working on a reversed Carnot cycle has a C.O.P. of 5. It works as a refrigerator taking 1 kW of work input. The refrigerating effect will be 2 kW 3 kW 4 kW 1 kW 2 kW 3 kW 4 kW 1 kW ANSWER DOWNLOAD EXAMIANS APP