Refrigeration and Air Conditioning A refrigeration cycle operates between condenser temperature of + 27°C and evaporator temperature of -23°C. The Carnot coefficient of performance of cycle will be 5 1.2 0.2 6 5 1.2 0.2 6 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a pressure enthalpy chart, the space to the left of the saturated liquid line represents Superheated vapour region None of the listed here Wet vapour region Sub-cooled liquid region Superheated vapour region None of the listed here Wet vapour region Sub-cooled liquid region ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The wet bulb temperature during sensible heating of air Decreases None of these Remains constant Increases Decreases None of these Remains constant Increases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a domestic refrigerator, a capillary tube controls the flow of refrigerant from the Expansion valve to the evaporator Evaporator to the thermostat Condenser to the evaporator Condenser to the expansion valve Expansion valve to the evaporator Evaporator to the thermostat Condenser to the evaporator Condenser to the expansion valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning It is desired to condition the outside air from 70% relative humidity and 45° C dry bulb temperature to 50% relative humidity and 25° C dry bulb temperature (room condition). The practical arrangement will be Dehumidification and pure sensible cooling Cooling and dehumidification Dehumidification Cooling and humidification Dehumidification and pure sensible cooling Cooling and dehumidification Dehumidification Cooling and humidification ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Pick up the correct statement about giving up of heat from one medium to other in ammonia absorption system Ammonia vapours to weak solution Weak solution to strong solution Strong solution to weak solution Strong solution to ammonia vapour Ammonia vapours to weak solution Weak solution to strong solution Strong solution to weak solution Strong solution to ammonia vapour ANSWER DOWNLOAD EXAMIANS APP