Refrigeration and Air Conditioning The specific humidity during humidification process Decreases Increases None of these Remains constant Decreases Increases None of these Remains constant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The optimum effective temperature for human comfort is Same in winter and summer Lower in winter than in summer Not dependent on season Higher in winter than in summer Same in winter and summer Lower in winter than in summer Not dependent on season Higher in winter than in summer ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerating system operating on reversed Brayton refrigeration cycle is used for maintaining 250 K. If the temperature at the end of constant pressure cooling is 300 K and rise in the temperature of air in the refrigerator is 50 K, then the net work of compression will be (assume air as working substance with Cp = 1 kJ/kg) 50 kJ/kg 100 kJ/kg 125 kJ/kg 25 kJ/kg 50 kJ/kg 100 kJ/kg 125 kJ/kg 25 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerants has lowest freezing point? Freon-22 CO2 Freon-12 NH3 Freon-22 CO2 Freon-12 NH3 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant for a refrigerator should have Low latent heat High sensible heat High latent heat High total heat Low latent heat High sensible heat High latent heat High total heat ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a refrigeration system, the expansion device is connected between the Compressor and condenser Receiver and evaporator Condenser and receiver Evaporator and compressor Compressor and condenser Receiver and evaporator Condenser and receiver Evaporator and compressor ANSWER DOWNLOAD EXAMIANS APP
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