Refrigeration and Air Conditioning Which of the following refrigerant has the maximum ozone depletion potential in the stratosphere? Carbon dioxide Fluorine Sulphur dioxide Ammonia Carbon dioxide Fluorine Sulphur dioxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle the condition of refrigerant is superheated vapour After passing through the expansion or throttle valve After passing through the condenser Before entering the expansion valve Before passing through the condenser After passing through the expansion or throttle valve After passing through the condenser Before entering the expansion valve Before passing through the condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerant with the highest critical pressure is Ammonia R-22 R-11 R-12 Ammonia R-22 R-11 R-12 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Highest pressure encountered in a refrigeration system should be Critical pressure of refrigerant Much below critical pressure Near critical pressure Much above critical pressure Critical pressure of refrigerant Much below critical pressure Near critical pressure Much above critical pressure ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The temperature of ammonia after compression in a vapour compression system is None of these 70 to 110°C 50 to 70°C 20 to 50°C None of these 70 to 110°C 50 to 70°C 20 to 50°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle, the condition of refrigerant is saturated liquid Before passing through the condenser After passing through the condenser Before entering the expansion valve After passing through the expansion throttle valve Before passing through the condenser After passing through the condenser Before entering the expansion valve After passing through the expansion throttle valve ANSWER DOWNLOAD EXAMIANS APP