Refrigeration and Air Conditioning Which of the following refrigerant has the maximum ozone depletion potential in the stratosphere? Ammonia Carbon dioxide Fluorine Sulphur dioxide Ammonia Carbon dioxide Fluorine Sulphur dioxide 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 Refrigerating efficiency Coefficient of performance of refrigeration Relative coefficient of performance Coefficient of performance of heat pump Refrigerating efficiency Coefficient of performance of refrigeration Relative coefficient of performance Coefficient of performance of heat pump ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following is not a desirable property of a refrigerant? Large latent heat High risibility with oil Good electrical conductor Low boiling point Large latent heat High risibility with oil Good electrical conductor Low boiling point ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following statement is correct? The wet bulb and dry bulb temperature are equal at saturation condition The wet bulb temperature is a measure of enthalpy of moist air The constant enthalpy lines are also constant wet bulb temperature lines All of the listed here The wet bulb and dry bulb temperature are equal at saturation condition The wet bulb temperature is a measure of enthalpy of moist air The constant enthalpy lines are also constant wet bulb temperature lines All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Most air cooled condensers are designed to operate with a temperature difference of 14°C 8°C 22°C 5°C 14°C 8°C 22°C 5°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant has the highest freezing point. Sulphur dioxide Carbon dioxide Ammonia R-12 Sulphur dioxide Carbon dioxide Ammonia R-12 ANSWER DOWNLOAD EXAMIANS APP