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 6 0.2 5 1.2 6 0.2 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The lower horizontal line of the refrigeration cycle plotted on pressure-enthalpy diagram represents Evaporation of the refrigerant liquid Condensation of the refrigerant vapour Compression of the refrigerant vapour Metering of the refrigerant liquid Evaporation of the refrigerant liquid Condensation of the refrigerant vapour Compression of the refrigerant vapour Metering of the refrigerant liquid ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The vapour pressure of refrigerant should be Lower than atmospheric pressure Could be anything Equal to atmospheric pressure Higher than atmospheric pressure Lower than atmospheric pressure Could be anything Equal to atmospheric pressure Higher than atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In Electrolux refrigerator Ammonia is absorbed in hydrogen Ammonia is absorbed in water Ammonia evaporates in hydrogen Hydrogen evaporates in ammonia Ammonia is absorbed in hydrogen Ammonia is absorbed in water Ammonia evaporates in hydrogen Hydrogen evaporates in ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle, the condition of refrigerant is very wet vapour After passing through the condenser Before entering the compressor After passing through the expansion or throttle valve Before passing through the condenser After passing through the condenser Before entering the compressor After passing through the expansion or throttle valve Before passing through the condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression system, the condition of refrigerant before entering the expansion or throttle valve is Wet vapour High pressure saturated liquid Very wet vapour Dry vapour Wet vapour High pressure saturated liquid Very wet vapour Dry vapour ANSWER DOWNLOAD EXAMIANS APP
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