Refrigeration and Air Conditioning In case of sensible cooling of air, the coil efficiency is given by 1 + B.P.F. P.F. - 1 1/ B.P.F. 1 - B.P.F. 1 + B.P.F. P.F. - 1 1/ B.P.F. 1 - B.P.F. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Air refrigeration operates on Rankine’s cycle Brayton cycle Carnot cycle Reversed Carnot cycle Rankine’s cycle Brayton cycle Carnot cycle Reversed Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The relative coefficient of performance is equal to (Actual C.O.P.) /(Theoretical C.O.P.) (Theoretical C.O.P.)/ (Actual C.O.P.) None of these (Actual C.O.P.) × (Theoretical C.O.P.) (Actual C.O.P.) /(Theoretical C.O.P.) (Theoretical C.O.P.)/ (Actual C.O.P.) None of these (Actual C.O.P.) × (Theoretical C.O.P.) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle, the condition of refrigerant is saturated liquid After passing through the expansion throttle valve Before passing through the condenser Before entering the expansion valve After passing through the condenser After passing through the expansion throttle valve Before passing through the condenser Before entering the expansion valve After passing through the condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Nusselt number (NN) is given by NN = μ cp/k NN = ρ V l /μ NN = V²/t.cp NN = hl/k NN = μ cp/k NN = ρ V l /μ NN = V²/t.cp NN = hl/k ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a saturated air-water vapour mixture, the Dry bulb temperature is higher than wet bulb temperature Dew point temperature is lower than wet bulb temperature Dry bulb, wet bulb and dew point temperature are same Dry bulb temperature is higher than dew point temperature Dry bulb temperature is higher than wet bulb temperature Dew point temperature is lower than wet bulb temperature Dry bulb, wet bulb and dew point temperature are same Dry bulb temperature is higher than dew point temperature ANSWER DOWNLOAD EXAMIANS APP
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