Refrigeration and Air Conditioning Which of the following refrigerant has the maximum ozone depletion potential in the stratosphere? Sulphur dioxide Ammonia Carbon dioxide Fluorine Sulphur dioxide Ammonia Carbon dioxide Fluorine 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 Lower than Higher than Same as None of the listed here Lower than Higher than Same as ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During sensible heating of air _________ decreases. Specific humidity Relative humidity Dry bulb temperature Wet bulb temperature Specific humidity Relative humidity Dry bulb temperature Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The operating temperature of a cold storage is -2°C. The heat leakage from the surrounding is 30 kW for the ambient temperature of 40°C. The actual C.O.P. of refrigeration plant used is one fourth that of ideal plant working between the same temperatures. The power required to drive the plant is 3.72 kW 7.44 kW 18.6 kW 1.86 kW 3.72 kW 7.44 kW 18.6 kW 1.86 kW 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) 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 25°C DBT and 100% RH 22°C DBT and 60% RH 25°C DBT and 40% RH ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Cooling water is required for following equipment in ammonia absorption plant Evaporator Condenser, absorber and separator (rectifier) Condenser Absorber Evaporator Condenser, absorber and separator (rectifier) Condenser Absorber ANSWER DOWNLOAD EXAMIANS APP