Refrigeration and Air Conditioning The reduced ambient air cooling system has Two cooling turbines and two heat exchangers One cooling turbine and one heat exchanger Two cooling turbines and one heat exchanger One cooling turbine and two heat exchangers Two cooling turbines and two heat exchangers One cooling turbine and one heat exchanger Two cooling turbines and one heat exchanger One cooling turbine and two heat exchangers ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The wet bulb temperature at 100% relative humidity is___ dry bulb temperature. Higher than Lower than Same as None of the listed here Higher than Lower than Same as None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The emissivity of a polished silver body is ____ as compared to black body. Low Very low Same High Low Very low Same High ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a domestic refrigerator, a capillary tube controls the flow of refrigerant from the Condenser to the expansion valve Evaporator to the thermostat Condenser to the evaporator Expansion valve to the evaporator Condenser to the expansion valve Evaporator to the thermostat Condenser to the evaporator Expansion valve to the evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The ratio of heat extracted in the refrigerator to the work-done on the refrigerant is called Coefficient of performance of refrigeration Coefficient of performance of heat pump Relative coefficient of performance Refrigerating efficiency Coefficient of performance of refrigeration Coefficient of performance of heat pump Relative coefficient of performance Refrigerating efficiency ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerants has lowest freezing point? CO2 Freon-22 Freon-12 NH3 CO2 Freon-22 Freon-12 NH3 ANSWER DOWNLOAD EXAMIANS APP