Refrigeration and Air Conditioning The boiling point of ammonia is -10.5°C -33.3°C -77.7°C -30°C -10.5°C -33.3°C -77.7°C -30°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The air cooling system mostly used in transport type aircrafts is Bootstrap air cooling system Simple evaporative air cooling system All of the listed here Simple air cooling system Bootstrap air cooling system Simple evaporative air cooling system All of the listed here Simple air cooling system ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Formation of frost on evaporator in refrigerator Increases heat transfer rate Results in loss of heat due to poor heat transfer Is immaterial Can be avoided by proper design Increases heat transfer rate Results in loss of heat due to poor heat transfer Is immaterial Can be avoided by proper design ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression refrigeration system, refrigerant occurs as liquid between Compressor and evaporator Compressor and condenser Condenser and expansion valve Expansion valve and evaporator Compressor and evaporator Compressor and condenser Condenser and expansion valve Expansion valve and evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A valve which maintains a constant degree of superheat at the end of the evaporator coil, is called Automatic expansion valve Thermostatic expansion valve High side float valve Low side float valve Automatic expansion valve Thermostatic expansion valve High side float valve Low side float valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a flooded evaporator refrigerator, an accumulator at suction of compressor is used to Collect liquid refrigerant and prevent it from going to compressor Superheat the vapour Collect vapours Detect liquid in vapour Collect liquid refrigerant and prevent it from going to compressor Superheat the vapour Collect vapours Detect liquid in vapour ANSWER DOWNLOAD EXAMIANS APP