Refrigeration and Air Conditioning Mass flow ratio of NH₃ in comparison to Freon-12 for same refrigeration load and same temperature limits is of the order of 1: 1 1: 9 1: 3 9: 1 1: 1 1: 9 1: 3 9: 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 Humidity ratio Degree of saturation Absolute humidity Relative humidity Humidity ratio Degree of saturation Absolute humidity ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In order to collect liquid refrigerant and to prevent it from going to a ________, a device known as accumulator is used at the suction of compressor. Compressor Condenser Evaporator Expansion valve Compressor Condenser Evaporator Expansion valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The atmospheric air at dry bulb temperature of 15°C enters a heating coil maintained at 40°C. The air leaves the heating coil at 25°C. The bypass factor of the heating coil is 0.4 0.67 0.6 0.376 0.4 0.67 0.6 0.376 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The leaks in a refrigeration system using Freon are detected by Sulphur sticks which on detection gives white smoke Smelling Halide torch which on detection produces greenish flame lighting Using reagents Sulphur sticks which on detection gives white smoke Smelling Halide torch which on detection produces greenish flame lighting Using reagents ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The capacity of a domestic refrigerator is in the range of 1 to 3 TR 5 to 7 TR 0.1 to 0.3 TR 3 to 5 TR 1 to 3 TR 5 to 7 TR 0.1 to 0.3 TR 3 to 5 TR ANSWER DOWNLOAD EXAMIANS APP
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