Refrigeration and Air Conditioning The heat rejection factor (HRF) is given by 1 + (1/C.O.P) 1 + C.O.P 1 - (1/C.O.P) 1 - C.O.P. 1 + (1/C.O.P) 1 + C.O.P 1 - (1/C.O.P) 1 - C.O.P. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression refrigeration system, a throttle valve is used in place of an expander because The positive work in isentropic expansion of liquid is very small It improves the C.O.P., as the condenser is small It leads to significant cost reduction It considerably reduces mass of the system The positive work in isentropic expansion of liquid is very small It improves the C.O.P., as the condenser is small It leads to significant cost reduction It considerably reduces mass of the system ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced by Generator Absorber and generator Absorber, generator and liquid pump Liquid pump Generator Absorber and generator Absorber, generator and liquid pump Liquid pump ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The evolution of heat of solution takes place in ammonia absorption plant when 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 Ammonia vapour goes into solution Ammonia vapour is driven out of solution Weak solution mixes with strong solution ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Moisture in Freon refrigeration system causes High power consumption Corrosion of whole system Freezing automatic regulating valve Ineffective refrigeration High power consumption Corrosion of whole system Freezing automatic regulating valve Ineffective refrigeration ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression refrigeration system, refrigerant occurs as liquid between Compressor and evaporator Compressor and condenser Expansion valve and evaporator Condenser and expansion valve Compressor and evaporator Compressor and condenser Expansion valve and evaporator Condenser and expansion valve ANSWER DOWNLOAD EXAMIANS APP
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