Mass Transfer The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec. 2.5 0.25 1.25 0.0025 2.5 0.25 1.25 0.0025 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption accompanied by heat evolution results in Decrease in equilibrium solubility None of these Increased capacity of the absorber Increase in equilibrium solubility Decrease in equilibrium solubility None of these Increased capacity of the absorber Increase in equilibrium solubility ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can the efficiency of a plate in the distillation tower be greater than 100%? Yes ; if the reflux ratio is maximum Yes Never Normally not; but is possible if infinite number of plates are put Yes ; if the reflux ratio is maximum Yes Never Normally not; but is possible if infinite number of plates are put ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Ammonia present in the coke oven gas is removed by washing with Ethanolamine Dilute HCl Caustic solution Dilute ammoniacal liquor Ethanolamine Dilute HCl Caustic solution Dilute ammoniacal liquor ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a binary system, separation is very efficient, when the relative volatility is 0.5 1 > 1 < 1 0.5 1 > 1 < 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fenske-Underwood equation used for calculating the minimum number of theoretical plates in distillation column is valid for All of these Constant relative volatility Total reflux Constant molal overflow All of these Constant relative volatility Total reflux Constant molal overflow ANSWER DOWNLOAD EXAMIANS APP