Refrigeration and Air Conditioning A standard ice point temperature corresponds to the temperature of Mixture of ice and water under equilibrium conditions Ice at 4°C Water at 0°C Solid and dry ice Mixture of ice and water under equilibrium conditions Ice at 4°C Water at 0°C Solid and dry ice ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance (C.O.P.) of a refrigerator working as a heat pump is given by O.P)R ( O.P.)R + 2 O.P.)P = ( O.P.)R + 1 O.P)P = ( O.P.)P = ( ( O.P)R - 1 O.P)P = ( ( ( O.P)R ( O.P.)R + 2 O.P.)P = ( O.P.)R + 1 O.P)P = ( O.P.)P = ( ( O.P)R - 1 O.P)P = ( ( ( ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The wet bulb temperature during sensible heating of air None of these Increases Decreases Remains constant None of these Increases Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The change in evaporator temperature in a refrigeration cycle, as compared to change in condenser temperature, influences the value of C.O.P. Equally Unpredictable Less More Equally Unpredictable Less More ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The boiling point of ________ is 10.5°C. Ammonia Sulphur dioxide R-12 Carbon dioxide Ammonia Sulphur dioxide R-12 Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance is the ratio of the refrigerant effect to the Enthalpy increase in compressor Heat of compression All of these Work done by compressor Enthalpy increase in compressor Heat of compression All of these Work done by compressor ANSWER DOWNLOAD EXAMIANS APP