Refrigeration and Air Conditioning The humidity ratio or specific humidity is the mass of water vapour present in 1 kg of dry air 1 kg of wet air 1 m3 of wet air 1 m3 of dry air 1 kg of dry air 1 kg of wet air 1 m3 of wet air 1 m3 of dry air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During a refrigeration cycle, heat is rejected by the refrigerant in a Expansion valve Compressor Condenser Evaporator Expansion valve Compressor Condenser Evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning When the lower temperature of a refrigerating machine is fixed, then the coefficient of performance can be improved by Operating the machine at lower speeds Lowering the higher temperature Raising the higher temperature Operating the machine at higher speeds Operating the machine at lower speeds Lowering the higher temperature Raising the higher temperature Operating the machine at higher speeds ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant supplied to a compressor must be Dry saturated liquid refrigerant Superheated vapour refrigerant None of these A mixture of liquid and vapour refrigerant Dry saturated liquid refrigerant Superheated vapour refrigerant None of these A mixture of liquid and vapour refrigerant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression cycle, the refrigerant immediately after expansion valve is Saturated liquid Wet vapour Sub-cooled liquid Liquid Saturated liquid Wet vapour Sub-cooled liquid Liquid ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Rating of a domestic refrigerator is of the order of 10 tons 0.1 ton 40 tons 5 tons 10 tons 0.1 ton 40 tons 5 tons ANSWER DOWNLOAD EXAMIANS APP
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