Mass Transfer Heat load in a cooling tower Both A & B Neither A nor B Means the amount of heat thrown away (KCal/hr.) by the cooling tower Is equal to the number of kg, of water circulated times the cooling range Both A & B Neither A nor B Means the amount of heat thrown away (KCal/hr.) by the cooling tower Is equal to the number of kg, of water circulated times the cooling range ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Tower diameter may be decreased by Using higher reflux ratio Increasing the liquid flow rate Increasing the vapour flow rate Use of increased tray spacing Using higher reflux ratio Increasing the liquid flow rate Increasing the vapour flow rate Use of increased tray spacing ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The wetted wall tower is used to determine The overall M.T.C. of the system Individual mass transfer co-efficient (M.T.C.) in gaseous system M.T.C. of individual components in a liquid-liquid system M.T.C. of liquid in liquid-gas system The overall M.T.C. of the system Individual mass transfer co-efficient (M.T.C.) in gaseous system M.T.C. of individual components in a liquid-liquid system M.T.C. of liquid in liquid-gas system ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For water-ethanol system, the minimum reflux ratio Is the optimum reflux ratio Cannot be computed Is computed from the intercept of the operating line Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Is the optimum reflux ratio Cannot be computed Is computed from the intercept of the operating line Is computed from the slope of the upper operating line that is tangent to the equilibrium curve ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in absolute humidity, the dew point of an unsaturated mixture of air and water vapor (at constant pressure and temperature) Decreases Remains unchanged Decreases linearly Increases Decreases Remains unchanged Decreases linearly Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The solvent used in liquid-liquid extraction should have __________ less than one. Selectivity Both A & B Distribution co-efficient Neither A nor B Selectivity Both A & B Distribution co-efficient Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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