Refrigeration and Air Conditioning The lower horizontal line of the refrigeration cycle plotted on pressure-enthalpy diagram represents Condensation of the refrigerant vapour Compression of the refrigerant vapour Evaporation of the refrigerant liquid Metering of the refrigerant liquid Condensation of the refrigerant vapour Compression of the refrigerant vapour Evaporation of the refrigerant liquid Metering of the refrigerant liquid ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Hydrogen is used in Electrolux refrigeration system so as to _________ the rate of evaporation of the liquid ammonia passing through the evaporator. Increase None of these Reduce Equalize Increase None of these Reduce Equalize 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 Very wet vapour High pressure saturated liquid Dry vapour Wet vapour Very wet vapour High pressure saturated liquid Dry vapour Wet vapour ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerant compressor is used to All of these Raise the temperature of the refrigerant Raise the pressure of the refrigerant Circulate the refrigerant through the refrigerating system All of these Raise the temperature of the refrigerant Raise the pressure of the refrigerant Circulate the refrigerant through the refrigerating system 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 Strong solution to ammonia vapour Weak solution to strong solution Strong solution to weak solution Ammonia vapours to weak solution Strong solution to ammonia vapour Weak solution to strong solution Strong solution to weak solution ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Reducing suction pressure in refrigeration cycle All of these Lowers evaporation temperature Increases power required per ton of refrigeration Lowers compressor capacity because vapour is lighter All of these Lowers evaporation temperature Increases power required per ton of refrigeration Lowers compressor capacity because vapour is lighter ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS