Mass Transfer The surface renewal frequency in Danckwerts model of mass transfer is given by (KL: mass transfer co-efficient) KL².DA KL²/DA √(KL².DA) KL/DA² KL².DA KL²/DA √(KL².DA) KL/DA² ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In liquid extraction, if the selectivity is unity, then Solvent flow rate should be very low Separation of the constituents is the most effective No separation will occur Amount of solvent required will be minimum Solvent flow rate should be very low Separation of the constituents is the most effective No separation will occur Amount of solvent required will be minimum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Weeping in a distillation column Increases tray efficiency Results due to very low gas velocity Provides large interfacial surface for mass transfer Results due to very high gas velocity Increases tray efficiency Results due to very low gas velocity Provides large interfacial surface for mass transfer Results due to very high gas velocity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Sand is dried in foundaries in a___drier. Fluidisedbed Spray Rotary Vacuum Fluidisedbed Spray Rotary Vacuum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stage efficiency in a leaching process depends on the Both A & B Rate of diffusion of the solute through the solid and into the liquid Time of contact between the solid and the solution Vapour pressure of the solution Both A & B Rate of diffusion of the solute through the solid and into the liquid Time of contact between the solid and the solution Vapour pressure of the solution ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Moisture content of a substance when at equilibrium with a given partial pressure of the vapour is called the __________ moisture. Bound Equilibrium Free Unbound Bound Equilibrium Free Unbound ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS