Refrigeration and Air Conditioning A condenser of refrigeration system rejects heat at the rate of 120 kW, while its compressor consumes a power of 30 kW. The coefficient of performance of the system will be 4 3 43833 43834 4 3 43833 43834 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The evolution of heat of solution takes place in ammonia absorption plant when Weak solution mixes with strong solution Ammonia vapour is driven out of solution Lithium bromide mixes with ammonia Ammonia vapour goes into solution Weak solution mixes with strong solution Ammonia vapour is driven out of solution Lithium bromide mixes with ammonia Ammonia vapour goes into solution ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The suction pipe diameter of refrigerating unit compressor in comparison to delivery side is Bigger Smaller/bigger depending on capacity Smaller Equal Bigger Smaller/bigger depending on capacity Smaller Equal ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The evaporator changes the low pressure liquid refrigerant from the expansion valve into None of these Low pressure liquid and vapour refrigerant High pressure liquid refrigerant Low pressure vapour refrigerant None of these Low pressure liquid and vapour refrigerant High pressure liquid refrigerant Low pressure vapour refrigerant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning On the pressure-enthalpy diagram, condensation and desuperheating is represented by a horizontal line because the process Involves no change in volume Takes place at constant pressure Takes place at constant entropy Takes place at constant temperature Involves no change in volume Takes place at constant pressure Takes place at constant entropy Takes place at constant temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A good refrigerant should have Low C.O.P. and low freezing point High latent heat of vaporisation and low freezing point High operating pressures and low freezing point High specific volume and high latent heat of vaporisation Low C.O.P. and low freezing point High latent heat of vaporisation and low freezing point High operating pressures and low freezing point High specific volume and high latent heat of vaporisation ANSWER DOWNLOAD EXAMIANS APP
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