Refrigeration and Air Conditioning The material of pipe lines for a system using Freon as a refrigerant should be Copper Aluminium Steel Brass Copper Aluminium Steel Brass ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The reduced ambient air cooling system has Two cooling turbines and two heat exchangers Two cooling turbines and one heat exchanger One cooling turbine and two heat exchangers One cooling turbine and one heat exchanger Two cooling turbines and two heat exchangers Two cooling turbines and one heat exchanger One cooling turbine and two heat exchangers One cooling turbine and one heat exchanger 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 50 kJ/kg 125 kJ/kg 100 kJ/kg 25 kJ/kg 50 kJ/kg 125 kJ/kg 100 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following cycles uses air as the refrigerant? Ericson Bell Coleman Stirling Carnot Ericson Bell Coleman Stirling Carnot ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerants has lowest freezing point? NH3 CO2 Freon-22 Freon-12 NH3 CO2 Freon-22 Freon-12 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The wet bulb temperature at 100% relative humidity is___ dry bulb temperature. None of the listed here Same as Higher than Lower than None of the listed here Same as Higher than Lower than ANSWER DOWNLOAD EXAMIANS APP