Mass Transfer To get high tray efficiency Time of contact between the two phases should be less Liquid entrainment should be severe Interfacial surface between liquid and gas phase should be large Gas velocity should be very low Time of contact between the two phases should be less Liquid entrainment should be severe Interfacial surface between liquid and gas phase should be large Gas velocity should be very low ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The critical moisture content in case of drying indicates the __________ rate period. Beginning of falling End of falling Beginning of constant None of these Beginning of falling End of falling Beginning of constant None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Weight of 1 m³ of humid air as compared to 1 m³ of dry air, under the same conditions, is More Unpredictable Less Same More Unpredictable Less Same ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fenske equation determines the Minimum number of theoretical plates Height of the distillation column Optimum reflux ratio Maximum number of ideal plates Minimum number of theoretical plates Height of the distillation column Optimum reflux ratio Maximum number of ideal plates ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Back-trapping in a distillation column Reduces pressure drop Decreases tray efficiency 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 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Moisture content of a substance when at equilibrium with a given partial pressure of the vapour is called the __________ moisture. Unbound Equilibrium Free Bound Unbound Equilibrium Free Bound ANSWER DOWNLOAD EXAMIANS APP
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