Refrigeration and Air Conditioning The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and Sulphur dioxide Lithium bromide R-12 Carbon dioxide Sulphur dioxide Lithium bromide R-12 Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In aircraft, air refrigeration Cycle is used because of Low weight per tonne of refrigeration High heat transfer rate Low temperature at high altitudes Higher coefficient of performance Low weight per tonne of refrigeration High heat transfer rate Low temperature at high altitudes Higher coefficient of performance ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Pick up the correct statement about giving up of heat from one medium to other in ammonia absorption system Strong solution to weak solution Weak solution to strong solution Ammonia vapours to weak solution Strong solution to ammonia vapour Strong solution to weak solution Weak solution to strong solution Ammonia vapours to weak solution Strong solution to ammonia vapour ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The bypass factor of a cooling coil decreases with Decrease in fin spacing and decrease in number of rows Increase in fin spacing and decrease in number of rows Decrease in fin spacing and increase in number of rows Increase in fin spacing and increase in number of rows Decrease in fin spacing and decrease in number of rows Increase in fin spacing and decrease in number of rows Decrease in fin spacing and increase in number of rows Increase in fin spacing and increase in number of rows ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The condensing pressure due to the presence of non-condensable gases, as compared to that actually required for condensing temperatures without non-condensable gases, Will remain unaffected Will be higher Will be lower May be higher or lower depending upon the nature of non-condensable gases Will remain unaffected Will be higher Will be lower May be higher or lower depending upon the nature of non-condensable gases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A mixture of dry air and water vapour, when the air has diffused the maximum amount of water vapour into it, is called Moist air Specific humidity Saturated air Dry air Moist air Specific humidity Saturated air Dry air ANSWER DOWNLOAD EXAMIANS APP
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