Mass Transfer If f is defined as above, then which of the following applies to a feed at dew point? F < 1 F > 1 F = 1 0 < f < 1 F < 1 F > 1 F = 1 0 < f < 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stage efficiency in a leaching process depends on the Rate of diffusion of the solute through the solid and into the liquid Vapour pressure of the solution Time of contact between the solid and the solution Both A & B Rate of diffusion of the solute through the solid and into the liquid Vapour pressure of the solution Time of contact between the solid and the solution Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient of liquid is Affected much less by temperature than that for gases Not affected by the temperature None of these Affected more by temperature than that for gases Affected much less by temperature than that for gases Not affected by the temperature None of these Affected more by temperature than that for gases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Tower diameter may be decreased by Increasing the vapour flow rate Using higher reflux ratio Use of increased tray spacing Increasing the liquid flow rate Increasing the vapour flow rate Using higher reflux ratio Use of increased tray spacing Increasing the liquid flow rate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The reason for preferring packed towers over plate towers in distillation practice is that the packed tower operation gives Low pressure drop and high hold up High pressure drop and low hold up High pressure drop and high hold up Low pressure drop and low hold up Low pressure drop and high hold up High pressure drop and low hold up High pressure drop and high hold up Low pressure drop and low hold up ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm. 1.2 to 1.5 3 to 4 5 2.5 to 3 1.2 to 1.5 3 to 4 5 2.5 to 3 ANSWER DOWNLOAD EXAMIANS APP