Mass Transfer Wet bulb and dry bulb temperatures becomes identical at __________ percent saturation curve. 50 None of these 78 100 50 None of these 78 100 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of unsaturated air Dew point < wet bulb temperature Both of the options given here Wet bulb temperature < dry bulb temperature None of the listed here Dew point < wet bulb temperature Both of the options given here Wet bulb temperature < dry bulb temperature None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following provides maximum contact surface for a liquid-vapour system? Wetted wall column Seive-plate column Bubble-cap plate column Packed tower Wetted wall column Seive-plate column Bubble-cap plate column Packed tower ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diffusion in concentrated solutins differs from that in dilute solutions, because of the change in the __________ with the concentration of the solution. Neither A nor B Both A & B Viscosity Degree of ideality Neither A nor B Both A & B Viscosity Degree of ideality ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer It takes 6 hours to dry a wet solid from 50% moisture content to the critical moisture content of 15%. How much longer it will take to dry the solid to 10% moisture content, under the same drying conditions? (The equilibrium moisture content of the solid is 5%). 15 min 94 min 71 min 51 min 15 min 94 min 71 min 51 min ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Back-trapping in a distillation column Is desirable, as it provides improved vapour-liquid contact Increases tray efficiency Reduces pressure drop Decreases tray efficiency Is desirable, as it provides improved vapour-liquid contact Increases tray efficiency Reduces pressure drop Decreases tray efficiency ANSWER DOWNLOAD EXAMIANS APP