Refrigeration and Air Conditioning Which of the following is not a desirable property of a refrigerant? High risibility with oil Good electrical conductor Large latent heat Low boiling point High risibility with oil Good electrical conductor Large latent heat Low boiling point ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Reducing suction pressure in refrigeration cycle Increases power required per ton of refrigeration All of these Lowers compressor capacity because vapour is lighter Lowers evaporation temperature Increases power required per ton of refrigeration All of these Lowers compressor capacity because vapour is lighter Lowers evaporation temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For large tonnage (more than 200 TR) air-conditioning applications, the compressor recommended is Rotating Centrifugal Reciprocating Screw Rotating Centrifugal Reciprocating Screw ANSWER DOWNLOAD EXAMIANS APP
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 The refrigerant used in small tonnage commercial machines (hermetically sealed units) is Sulphur dioxide Carbon dioxide Ammonia R-12 Sulphur dioxide Carbon dioxide Ammonia R-12 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The temperature of air recorded by a thermometer, when its bulb is surrounded by a wet cloth exposed to the air, is called Dry bulb temperature Wet bulb temperature Dew point temperature None of these Dry bulb temperature Wet bulb temperature Dew point temperature None of these ANSWER DOWNLOAD EXAMIANS APP