Mass Transfer In batch distillation with constant reflux, overhead product composition __________ with time. Decreases Does not vary May increase on decrease, depends on the system Increases Decreases Does not vary May increase on decrease, depends on the system Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the gas absorption, the height of a transfer unit, based on the gas phase is given by (G: superficial molar gas velocity, L: superficial molar liquid velocity, FG:mass transfer co-efficient, mols/m² , a: in-terfacial area per unit volume of tower) F/(FG.a) FG/(G.a) L/(FG.G) (G.a)/FG F/(FG.a) FG/(G.a) L/(FG.G) (G.a)/FG ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Ordinary diffusion process is also called __________ diffusion. Thermal Concentration Forced Pressure Thermal Concentration Forced Pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Minimum possible diameter of a packed coloumn is decided mainly by the Flooding Liquid density Liquid hold up Gas viscosity Flooding Liquid density Liquid hold up Gas viscosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Overall efficiency of the distillation column is Always more than the point efficiency Same as the Murphree efficiency The ratio of number of actual plates to ideal plates The ratio of number of ideal plates to actual plates Always more than the point efficiency Same as the Murphree efficiency The ratio of number of actual plates to ideal plates The ratio of number of ideal plates to actual plates ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of liquid-liquid binary diffusion, diffusivity of one constituent into another is not dependent on the Temperature and pressure None of these Concentration Nature of the constituents Temperature and pressure None of these Concentration Nature of the constituents ANSWER DOWNLOAD EXAMIANS APP