Mass Transfer Diffusion in concentrated solutins differs from that in dilute solutions, because of the change in the __________ with the concentration of the solution. Degree of ideality Both A & B Neither A nor B Viscosity Degree of ideality Both A & B Neither A nor B Viscosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Calculation of mass transfer co-efficient is mostly/normally done using __________ theory. Film None of the listed here Surface renewal Penetration Film None of the listed here Surface renewal Penetration ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fractional solvent extraction Employs two solvents Results in low interfacial tension Employs only one solvent None of the listed here Employs two solvents Results in low interfacial tension Employs only one solvent None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flooding in a vapor-liquid contacting equipment occurs in a tray, when the pressure drop through a tray is __________ the liquid head available in the downcomer. Less than Very much less Same as More than Less than Very much less Same as More than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In extractive distillation, solvent is Added to alter the relative volatility of the mixture Of high volatility Of high viscosity to give high tray efficiency Present in overhead stream Added to alter the relative volatility of the mixture Of high volatility Of high viscosity to give high tray efficiency Present in overhead stream ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec. 1.25 0.25 2.5 0.0025 1.25 0.25 2.5 0.0025 ANSWER DOWNLOAD EXAMIANS APP
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