Refrigeration and Air Conditioning The difference between dry bulb temperature and wet bulb temperature, is called Degree of saturation Wet bulb depression Dry bulb depression Dew point depression Degree of saturation Wet bulb depression Dry bulb depression Dew point depression 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 4 kW 1 kW 3 kW 2 kW 4 kW 1 kW 3 kW 2 kW ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The lowest temperature during the cycle in a vapour compression system occurs after Condensation Compression Evaporation Expansion Condensation Compression Evaporation Expansion ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The power per tonne of refrigeration is O.P/3.5 3.5 × C.O.P. 3.5/C.O.P. None of these O.P/3.5 3.5 × C.O.P. 3.5/C.O.P. None of these 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 Strong solution to weak solution Ammonia vapours to weak solution Strong solution to ammonia vapour Weak solution to strong solution Strong solution to weak solution Ammonia vapours to weak solution ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature constant, will Remain unaffected Increase Decrease May increase or decrease depending on the type of refrigerant used Remain unaffected Increase Decrease May increase or decrease depending on the type of refrigerant used ANSWER DOWNLOAD EXAMIANS APP