Refrigeration and Air Conditioning During heating and dehumidification process, dry bulb temperature Increases None of these Decreases Remains constant Increases None of these Decreases Remains constant 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 1 kW 3 kW 4 kW 2 kW 1 kW 3 kW 4 kW 2 kW ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For proper refrigeration in a cabinet, if the temperature and vapour pressure difference between cabinet and atmosphere is high, then Refrigerant with lower evaporation temperature should be used Perfectly tight vapour seal should be used Bigger cabinet should be used Smaller cabinet should be used Refrigerant with lower evaporation temperature should be used Perfectly tight vapour seal should be used Bigger cabinet should be used Smaller cabinet should be used ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The condition of refrigerant as it leaves the compressor in a vapour compression system is Superheated vapour Saturated liquid Dry saturated vapour Wet vapour Superheated vapour Saturated liquid Dry saturated vapour Wet vapour ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The leakage in a refrigeration system using ammonia is detected by All of these Sulphur sticks Halide torch Soap and water All of these Sulphur sticks Halide torch Soap and water ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant used in small tonnage commercial machines (hermetically sealed units) is Carbon dioxide Sulphur dioxide R-12 Ammonia Carbon dioxide Sulphur dioxide R-12 Ammonia ANSWER DOWNLOAD EXAMIANS APP
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