Refrigeration and Air Conditioning For air conditioning the operation theater in a hospital, the percentage of outside air in the air supplied is 50 100 Zero 20 50 100 Zero 20 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A heat pump working on a reversed Carnot cycle has a C.O.P. of 5. It works as a refrigerator taking 1 kW of work input. The refrigerating effect will be 3 kW 2 kW 1 kW 4 kW 3 kW 2 kW 1 kW 4 kW ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During dehumidification process, _________ remains constant. Dry bulb temperature Relative humidity Wet bulb temperature Specific humidity Dry bulb temperature Relative humidity Wet bulb temperature Specific humidity ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A thermostatic expansion valve in a refrigeration system Ensures the evaporator completely filled with refrigerant of the load Maintains different temperatures in evaporator in proportion to load Is suitable only for constant load systems None of these Ensures the evaporator completely filled with refrigerant of the load Maintains different temperatures in evaporator in proportion to load Is suitable only for constant load systems None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The comfort conditions in air conditioning are at (where DBT = Dry bulb temperature, and RH = Relative humidity) 25°C DBT and 100% RH 22°C DBT and 60% RH 25°C DBT and 40% RH 20°C DBT and 80% RH 25°C DBT and 100% RH 22°C DBT and 60% RH 25°C DBT and 40% RH 20°C DBT and 80% RH ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A human body feels comfortable when the heat produced by the metabolism of human body is equal to the Heat stored in the human body Heat dissipated to the surroundings Difference of (A) and (B) Sum of (A) and (B) Heat stored in the human body Heat dissipated to the surroundings Difference of (A) and (B) Sum of (A) and (B) ANSWER DOWNLOAD EXAMIANS APP