Refrigeration and Air Conditioning The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and R-12 Sulphur dioxide Carbon dioxide Lithium bromide R-12 Sulphur dioxide Carbon dioxide Lithium bromide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Chaperon equation is applicable for registration at Saturation point of liquid Sublimation temperature Saturation point of vapour Triple point Saturation point of liquid Sublimation temperature Saturation point of vapour Triple point ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In order to cool and dehumidify a stream of moist air, it must be passed over the coil at a temperature Of adiabatic saturation of incoming stream Which lies between the wet bulb and dew point temperatures of the incoming stream Which is lower than the dew point temperature of the incoming stream Which lies between the dry bulb and wet bulb temperatures of the incoming stream Of adiabatic saturation of incoming stream Which lies between the wet bulb and dew point temperatures of the incoming stream Which is lower than the dew point temperature of the incoming stream Which lies between the dry bulb and wet bulb temperatures of the incoming stream ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In actual air-conditioning applications for R-12 and R-22, and operating at a condenser temperature of 40° C and an evaporator temperature of 5° C, the heat rejection factor is about 1.25 5.12 1 2.15 1.25 5.12 1 2.15 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The suction pipe diameter of refrigerating unit compressor in comparison to delivery side is Bigger Smaller/bigger depending on capacity Equal Smaller Bigger Smaller/bigger depending on capacity Equal Smaller ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning R-12 is generally preferred over R-22 in deep freezers since It has low operating pressures It is miscible with oil over large range of temperatures It gives higher coefficient of performance All of these It has low operating pressures It is miscible with oil over large range of temperatures It gives higher coefficient of performance All of these ANSWER DOWNLOAD EXAMIANS APP
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