Refrigeration and Air Conditioning The refrigerant used in small tonnage commercial machines (hermetically sealed units) is R-12 Ammonia Sulphur dioxide Carbon dioxide R-12 Ammonia Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In Electrolux refrigerator Hydrogen evaporates in ammonia Ammonia evaporates in hydrogen Ammonia is absorbed in hydrogen Ammonia is absorbed in water Hydrogen evaporates in ammonia Ammonia evaporates in hydrogen Ammonia is absorbed in hydrogen Ammonia is absorbed in water ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Cooling water is required for following equipment in ammonia absorption plant Condenser, absorber and separator (rectifier) Absorber Condenser Evaporator Condenser, absorber and separator (rectifier) Absorber Condenser Evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The cooling system used for supersonic aircrafts and rockets is Regenerative air cooling system Bootstrap air cooling system Simple air cooling system Reduced ambient air cooling system Regenerative air cooling system Bootstrap air cooling system Simple air cooling system Reduced ambient air cooling system ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During sensible cooling, Partial pressure of vapour remains constant Wet bulb temperature increases Relative humidity remains constant Specific humidity increases Partial pressure of vapour remains constant Wet bulb temperature increases Relative humidity remains constant Specific humidity increases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The pressure at the inlet of a refrigerant compressor is called Back pressure Discharge pressure Critical pressure Suction pressure Back pressure Discharge pressure Critical pressure Suction pressure ANSWER DOWNLOAD EXAMIANS APP
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