Refrigeration and Air Conditioning Which of the following refrigerant has the maximum ozone depletion potential in the stratosphere? Fluorine Ammonia Carbon dioxide Sulphur dioxide Fluorine Ammonia Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The difference between dry bulb temperature and wet bulb temperature, is called Degree of saturation Dew point depression Dry bulb depression Wet bulb depression Degree of saturation Dew point depression Dry bulb depression Wet bulb depression ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerant compressor is used to 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 Raise the pressure of the refrigerant Raise the temperature of the refrigerant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The capillary tube is not used in large capacity refrigeration systems because Required pressure drop cannot be achieved It is made of copper Capacity control is not possible Cost is too high Required pressure drop cannot be achieved It is made of copper Capacity control is not possible Cost is too high ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression system, the condition of refrigerant is dry saturated vapour Before entering the compressor After leaving the condenser Before entering the condenser After leaving the compressor Before entering the compressor After leaving the condenser Before entering the condenser After leaving the compressor ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning On the pressure-enthalpy diagram, condensation and desuperheating is represented by a horizontal line because the process Takes place at constant entropy Takes place at constant pressure Involves no change in volume Takes place at constant temperature Takes place at constant entropy Takes place at constant pressure Involves no change in volume Takes place at constant temperature ANSWER DOWNLOAD EXAMIANS APP