Mass Transfer Mass transfer co-efficient varies as DAB0.5, according to the __________ theory. Film None of these Surface renewal Penetration Film None of these Surface renewal Penetration ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Cox chart, which is useful in the design of distillation column particularly for petroleum hydrocarbons, is a plot of (where, P = vapor pressure, T = temperature) Log P vs . T T vs . P Log P vs. log T P vs . log T Log P vs . T T vs . P Log P vs. log T P vs . log T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The amount of steam required per unit quantity of distillate in case of steam distillation will be reduced by Both A & B Raising the temperature Lowering the total pressure Neither A nor B Both A & B Raising the temperature Lowering the total pressure Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diffusion in concentrated solutins differs from that in dilute solutions, because of the change in the __________ with the concentration of the solution. Viscosity Neither A nor B Both A & B Degree of ideality Viscosity Neither A nor B Both A & B Degree of ideality ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The mass diffusivity, the thermal diffusivity and the eddy momentum diffusivity are same for, NPr = NSc = __________ 3 2 1 4 3 2 1 4 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The mass transfer co-efficient for a solid sphere of radius 'a' dissolving in a large volume of quiescent liquid, in which D is the diffusivity of solute, is D/a Proportional to √D Dependent on the Reynolds number D/2a D/a Proportional to √D Dependent on the Reynolds number D/2a ANSWER DOWNLOAD EXAMIANS APP
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