Refrigeration and Air Conditioning Rating of a domestic refrigerator is of the order of 40 tons 5 tons 0.1 ton 10 tons 40 tons 5 tons 0.1 ton 10 tons ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The formation of frost on cooling coils in a refrigerator Increases heat transfer Improves C.O.P. of the system Reduces power consumption Increases power consumption Increases heat transfer Improves C.O.P. of the system Reduces power consumption Increases power consumption ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The boiling point of ammonia is -10.5°C -30°C -77.7°C -33.3°C -10.5°C -30°C -77.7°C -33.3°C 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 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 Involves no change in volume Takes place at constant pressure Takes place at constant entropy ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A standard ice point temperature corresponds to the temperature of Mixture of ice and water under equilibrium conditions Water at 0°C Solid and dry ice Ice at 4°C Mixture of ice and water under equilibrium conditions Water at 0°C Solid and dry ice Ice at 4°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Ammonia absorption refrigeration cycle requires Very little work input Nearly same work input as for vapour compression cycle Maximum work input Zero work input Very little work input Nearly same work input as for vapour compression cycle Maximum work input Zero work input ANSWER DOWNLOAD EXAMIANS APP
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