Mass Transfer According to the film theory of mass transfer, the mass transfer co-efficient is proportional to (where, D = molecular diffusivity) D0.5 1/D D D2 D0.5 1/D D D2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can the efficiency of a plate in the distillation tower be greater than 100%? Yes Normally not; but is possible if infinite number of plates are put Never Yes ; if the reflux ratio is maximum Yes Normally not; but is possible if infinite number of plates are put Never Yes ; if the reflux ratio is maximum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the __________ the relative humidity of air decreases, despite an increase in the absolute humidity. Pressure falls Pressure rises Temperature rises Temperature falls Pressure falls Pressure rises Temperature rises Temperature falls ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At __________ reflux, theoretical number of plates in a distillation coloumn is calculated using Fenske-Underwood equation. Total Maximum permissible Operating Minimum Total Maximum permissible Operating Minimum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relative humidity of air decreases in-spite of an increase in the absolute humidity, when the Pressure rises Pressure falls Temperature rises Temperature falls Pressure rises Pressure falls Temperature rises Temperature falls ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient is directly proportional to DAB0.5, according to __________ theory. Penetration Surface renewal None of these Film Penetration Surface renewal None of these Film ANSWER DOWNLOAD EXAMIANS APP