Refrigeration and Air Conditioning The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and Lithium bromide R-12 Sulphur dioxide Carbon dioxide Lithium bromide R-12 Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature constant, will Decrease Remain unaffected May increase or decrease depending on the type of refrigerant used Increase Decrease Remain unaffected May increase or decrease depending on the type of refrigerant used Increase ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a pressure enthalpy chart, the space to the left of the saturated liquid line represents Sub-cooled liquid region None of the listed here Superheated vapour region Wet vapour region Sub-cooled liquid region None of the listed here Superheated vapour region Wet vapour region ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced by Generator Absorber, generator and liquid pump Absorber and generator Liquid pump Generator Absorber, generator and liquid pump Absorber and generator Liquid pump ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The lower horizontal line of the refrigeration cycle plotted on pressure-enthalpy diagram represents Compression of the refrigerant vapour Condensation of the refrigerant vapour Evaporation of the refrigerant liquid Metering of the refrigerant liquid Compression of the refrigerant vapour Condensation of the refrigerant vapour Evaporation of the refrigerant liquid Metering of the refrigerant liquid ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The vapour compression refrigerator employs the following cycle Rankine Reversed Rankine Carnot Reversed Carnot Rankine Reversed Rankine Carnot Reversed Carnot ANSWER DOWNLOAD EXAMIANS APP