Refrigeration and Air Conditioning The COP of a domestic refrigerator Is equal to 1 Is more than 1 Is less than 1 Depends upon the make Is equal to 1 Is more than 1 Is less than 1 Depends upon the make ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The sub-cooling in a refrigeration cycle Does not alter C.O.P. Decreases C.O.P. Increases C.O.P. None of these Does not alter C.O.P. Decreases C.O.P. Increases C.O.P. None of these 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) 25 kJ/kg 100 kJ/kg 125 kJ/kg 50 kJ/kg 25 kJ/kg 100 kJ/kg 125 kJ/kg 50 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The cooling system used for supersonic aircrafts and rockets is Regenerative air cooling system Reduced ambient air cooling system Simple air cooling system Bootstrap air cooling system Regenerative air cooling system Reduced ambient air cooling system Simple air cooling system Bootstrap air cooling system ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A mixture of dry air and water vapour, when the air has diffused the maximum amount of water vapour into it, is called Specific humidity Dry air Moist air Saturated air Specific humidity Dry air Moist air Saturated air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A standard ice point temperature corresponds to the temperature of Mixture of ice and water under equilibrium conditions Ice at 4°C Water at 0°C Solid and dry ice Mixture of ice and water under equilibrium conditions Ice at 4°C Water at 0°C Solid and dry ice ANSWER DOWNLOAD EXAMIANS APP
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