Mass Transfer The cooling effect in a cooling tower can not be increased by Reducing the humidity of entering air Lowering the barometric pressure None of these Increasing the air velocity over the wet surfaces Reducing the humidity of entering air Lowering the barometric pressure None of these Increasing the air velocity over the wet surfaces ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At what value of reflux ratio, number of theoretical plates in a distillation column is minimum? 1 ∞ < 1 1 ∞ < 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular diffusivity of a liquid Is independent of temperature Increases with temperature Decreases with temperature May increase or decrease with temperature Is independent of temperature Increases with temperature Decreases with temperature May increase or decrease with temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A mixture of 10% C₆H₆ vapour in air at 25°C and 750 mm Hg has a dew point of 20°C. Its dew point at 30°C and 700 mm Hg will be around __________ °C. 20 21.7 27.3 18.7 20 21.7 27.3 18.7 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a packed absorption tower, if the equilibrium and operating lines are both straight lines, then the ratio, HETP/HTUOG __________ the absorption factor. Both A and B Is one at unity value of Neither A nor B Increases with increase in Both A and B Is one at unity value of Neither A nor B Increases with increase in ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Surface renewal model of mass transfer was enunciated by Toor and Marchello Danckwerts Stefan Fick Toor and Marchello Danckwerts Stefan Fick ANSWER DOWNLOAD EXAMIANS APP