Refrigeration and Air Conditioning The humidity ratio or specific humidity is the mass of water vapour present in 1 m3 of wet air 1 kg of wet air 1 kg of dry air 1 m3 of dry air 1 m3 of wet air 1 kg of wet air 1 kg of dry air 1 m3 of dry air 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 Increase Remain unaffected May increase or decrease depending on the type of refrigerant used Decrease Increase Remain unaffected May increase or decrease depending on the type of refrigerant used Decrease 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 3 kW 4 kW 2 kW 1 kW 3 kW 4 kW 2 kW 1 kW ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle the condition off refrigerant is dry saturated vapour After passing through the expansion or throttle valve After passing through the condenser Before passing through the condenser Before entering the compressor After passing through the expansion or throttle valve After passing through the condenser Before passing through the condenser Before entering the compressor ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The capillary tube is not used in large capacity refrigeration systems because It is made of copper Required pressure drop cannot be achieved Cost is too high Capacity control is not possible It is made of copper Required pressure drop cannot be achieved Cost is too high Capacity control is not possible ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Refrigeration in aeroplanes usually employs the following refrigerant Freon-22 Freon-11 CO2 Air Freon-22 Freon-11 CO2 Air ANSWER DOWNLOAD EXAMIANS APP
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