Refrigeration and Air Conditioning Most thermostatic expansion valves are set for a superheat of 5°C 20°C 15°C 10°C 5°C 20°C 15°C 10°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The condition of refrigerant as it leaves the compressor in a vapour compression system is Wet vapour Saturated liquid Superheated vapour Dry saturated vapour Wet vapour Saturated liquid Superheated vapour Dry saturated vapour ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The bypass factor of a cooling coil decreases with Increase in fin spacing and increase in number of rows Decrease in fin spacing and decrease in number of rows Decrease in fin spacing and increase in number of rows Increase in fin spacing and decrease in number of rows Increase in fin spacing and increase in number of rows Decrease in fin spacing and decrease in number of rows Decrease in fin spacing and increase in number of rows Increase in fin spacing and decrease in number of rows ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression refrigeration system, a throttle valve is used in place of an expander because It leads to significant cost reduction It improves the C.O.P., as the condenser is small It considerably reduces mass of the system The positive work in isentropic expansion of liquid is very small It leads to significant cost reduction It improves the C.O.P., as the condenser is small It considerably reduces mass of the system The positive work in isentropic expansion of liquid is very small ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The relative coefficient of performance is Theoretical COP/actual COP Actual COP × theoretical COP None of these Actual COP/theoretical COP Theoretical COP/actual COP Actual COP × theoretical COP None of these Actual COP/theoretical COP ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and Sulphur dioxide Carbon dioxide R-12 Lithium bromide Sulphur dioxide Carbon dioxide R-12 Lithium bromide ANSWER DOWNLOAD EXAMIANS APP
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