Refrigeration and Air Conditioning The sub-cooling in a refrigeration cycle Decreases C.O.P. Increases C.O.P. Does not alter C.O.P. None of these Decreases C.O.P. Increases C.O.P. Does not alter C.O.P. None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle, the condition of refrigerant is very wet vapour After passing through the expansion or throttle valve Before passing through the condenser Before entering the compressor After passing through the condenser After passing through the expansion or throttle valve Before passing through the condenser Before entering the compressor After passing through the condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During sensible heating of air _________ decreases. Relative humidity Wet bulb temperature Dry bulb temperature Specific humidity Relative humidity Wet bulb temperature Dry bulb temperature Specific humidity ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In air-conditioning of aeroplanes, using air as a refrigerant, the cycle used is Reversed Brayton cycle Reversed Joule cycle Reversed Otto cycle Reversed Carnot cycle Reversed Brayton cycle Reversed Joule cycle Reversed Otto cycle Reversed Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a lithium bromide absorption refrigeration system None of these Water is used as a refrigerant and lithium bromide as an absorbent Ammonia is used as a refrigerant and lithium bromide as an absorbent Lithium bromide is used as a refrigerant and water as an absorbent None of these Water is used as a refrigerant and lithium bromide as an absorbent Ammonia is used as a refrigerant and lithium bromide as an absorbent Lithium bromide is used as a refrigerant and water as an absorbent ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The sensible heat factor during the heating and humidification process is given by (where h₁ = Enthalpy of air entering the heating coil, h₂ = Enthalpy of air leaving the heating coil, and hA = Enthalpy of air at the end of humidification process) (hA - h1)/ (h2 - h1) (hA - h2)/ (h1 - h2) (h2 - hA)/ (h1 - h2) (h1 - h2)/ (hA - h2) (hA - h1)/ (h2 - h1) (hA - h2)/ (h1 - h2) (h2 - hA)/ (h1 - h2) (h1 - h2)/ (hA - h2) ANSWER DOWNLOAD EXAMIANS APP
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