Refrigeration and Air Conditioning The COP of a domestic refrigerator Depends upon the make Is more than 1 Is equal to 1 Is less than 1 Depends upon the make Is more than 1 Is equal to 1 Is less than 1 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in the same mass of dry air when it is saturated at the same temperature and pressure, is called Relative humidity Absolute humidity Degree of saturation Humidity ratio Relative humidity Absolute humidity Degree of saturation Humidity ratio ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In actual air-conditioning applications for R-12 and R-22, and operating at a condenser temperature of 40° C and an evaporator temperature of 5° C, the heat rejection factor is about 5.12 2.15 1 1.25 5.12 2.15 1 1.25 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The unit of thermal diffusivity is m/hK m²/h m²/hK m/h m/hK m²/h m²/hK m/h ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A pressure gauge on the discharge side of a refrigerant compressor reads too high. The reasons will be Lack of cooling water Dirty condenser surface Water temperature being high All of these Lack of cooling water Dirty condenser surface Water temperature being high All of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The cooling system used for supersonic aircrafts and rockets is 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 Regenerative air cooling system Bootstrap air cooling system ANSWER DOWNLOAD EXAMIANS APP