Refrigeration and Air Conditioning Aqua ammonia is used as refrigerant in the following type of refrigeration system Absorption Indirect Direct Compression Absorption Indirect Direct Compression ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The lower horizontal line of the refrigeration cycle plotted on pressure-enthalpy diagram represents Condensation of the refrigerant vapour Metering of the refrigerant liquid Compression of the refrigerant vapour Evaporation of the refrigerant liquid Condensation of the refrigerant vapour Metering of the refrigerant liquid Compression of the refrigerant vapour Evaporation of the refrigerant liquid ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The humidity ratio or specific humidity is the mass of water vapour present in 1 m3 of dry air 1 kg of dry air 1 m3 of wet air 1 kg of wet air 1 m3 of dry air 1 kg of dry air 1 m3 of wet air 1 kg of wet air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One of the purposes of sub cooling the liquid refrigerant is to Reduce compressor discharge temperature Increase cooling effect Reduce compressor overheating Ensure that only liquid and not the vapour enters the expansion (throttling) valve Reduce compressor discharge temperature Increase cooling effect Reduce compressor overheating Ensure that only liquid and not the vapour enters the expansion (throttling) valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning If a heat pump cycle operates between the condenser temperature of +27°C and evaporator temperature of -23°C, then the Carnot COP will be 6 0.2 5 1.2 6 0.2 5 1.2 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During adiabatic saturation process on unsaturated air ___ remains constant. Relative humidity Wet bulb temperature Dry bulb temperature Dew point temperature Relative humidity Wet bulb temperature Dry bulb temperature Dew point temperature ANSWER DOWNLOAD EXAMIANS APP