Refrigeration and Air Conditioning Which of the following refrigerant has the lowest freezing point? Ammonia R-11 R-22 R-12 Ammonia R-11 R-22 R-12 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The temperature of ammonia after compression in a vapour compression system is None of these 70 to 110°C 20 to 50°C 50 to 70°C None of these 70 to 110°C 20 to 50°C 50 to 70°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The colour of the flame of halide torch, in case of leakage of Freon refrigerant, will change to Orange Red Yellow Bright green Orange Red Yellow Bright green ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Air conditioning means Heating Dehumidifying All of these Cooling Heating Dehumidifying All of these Cooling ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a refrigeration system, the expansion device is connected between the Receiver and evaporator Evaporator and compressor Condenser and receiver Compressor and condenser Receiver and evaporator Evaporator and compressor Condenser and receiver Compressor and condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The evolution of heat of solution takes place in ammonia absorption plant when Ammonia vapour goes into solution Ammonia vapour is driven out of solution Weak solution mixes with strong solution Lithium bromide mixes with ammonia Ammonia vapour goes into solution Ammonia vapour is driven out of solution Weak solution mixes with strong solution Lithium bromide mixes with ammonia ANSWER DOWNLOAD EXAMIANS APP