Refrigeration and Air Conditioning Which of the following refrigerant has the maximum ozone depletion potential in the stratosphere? Fluorine Sulphur dioxide Carbon dioxide Ammonia Fluorine Sulphur dioxide Carbon dioxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The unit of thermal diffusivity is m/h m²/h m²/hK m/hK m/h m²/h m²/hK m/hK ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Efficiency of a Carnot engine is given as 80%. If the cycle direction be reversed, what will be the value of C.O.P. of reversed Carnot Cycle? 1.25 0.25 0.5 0.8 1.25 0.25 0.5 0.8 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The wet bulb temperature at 100% relative humidity is___ dry bulb temperature. Lower than Higher than Same as None of the listed here Lower than Higher than Same as None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Air refrigeration operates on Reversed Carnot cycle Carnot cycle Rankine’s cycle Brayton cycle Reversed Carnot cycle Carnot cycle Rankine’s cycle Brayton cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerant compressor is used to Raise the pressure of the refrigerant Raise the temperature of the refrigerant Circulate the refrigerant through the refrigerating system All of these Raise the pressure of the refrigerant Raise the temperature of the refrigerant Circulate the refrigerant through the refrigerating system All of these ANSWER DOWNLOAD EXAMIANS APP