Refrigeration and Air Conditioning In vapour compression cycle, the condition of refrigerant is saturated liquid After passing through the expansion throttle valve After passing through the condenser Before entering the expansion valve Before passing through the condenser After passing through the expansion 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 mixture of dry air and water vapour, when the air has diffused the maximum amount of water vapour into it, is called Dry air Specific humidity Saturated air Moist air Dry air Specific humidity Saturated air Moist air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigeration effect in a dry evaporator compared to flooded evaporator in a similar plant is Same More or less depending on ambient conditions More Less Same More or less depending on ambient conditions More Less ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The thermostatic expansion valve operates on the changes in the Temperature of the evaporator None of these Degree of superheat at exit from the evaporator Pressure in the evaporator Temperature of the evaporator None of these Degree of superheat at exit from the evaporator Pressure in the evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A reversible engine has ideal thermal efficiency of 30%. When it is used as a refrigerating machine with all other conditions unchanged, the coefficient of performance will be 3.33 2.33 1.33 4.33 3.33 2.33 1.33 4.33 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant has the lowest freezing point? R-22 R-12 R-11 Ammonia R-22 R-12 R-11 Ammonia ANSWER DOWNLOAD EXAMIANS APP