Mass Transfer When the feed to a distillation column is a saturated liquid, slope of the feed line is Zero None of these Infinity Unity Zero None of these Infinity Unity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in Increased reboiler load None of these Increased reflux ratio Greater degree of separation with a fixed number of trays Increased reboiler load None of these Increased reflux ratio Greater degree of separation with a fixed number of trays ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in the mass velocity of the gas, the rate of drying during the constant rate period __________ , if the conduction and radiation through the solid are negligible. Increases linearly Decreases Increases Remains same Increases linearly Decreases Increases Remains same ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The dew point of an unsaturated gas-vapor mixture does not depend upon the __________ of the mixture. Total pressure Composition All of these Temperature Total pressure Composition All of these Temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration theory states that the mass transfer co-coefficient is equal to (where, De is diffusivity and 't' is time) (De/t)1/2 (4De/t) (De.t)1/2 (4De/πt)1/2 (De/t)1/2 (4De/t) (De.t)1/2 (4De/πt)1/2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If the amount of the steam used in steam distillation is increased, the temperature of distillation Depends on relative volatility Remains unchanged Increases Decreases Depends on relative volatility Remains unchanged Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS