Our website is made possible by displaying online advertisements to our visitors. Please consider supporting us by whitelisting our website.

Mass Transfer

JD factor for mass transfer is a function of Reynolds number. Mass transfer by molecular diffusion from a single drop to surrounding still air is given by___________________?

Mass Transfer /
JD factor for mass transfer is a function of Reynolds number. Mass transfer by molecular diffusion from a single drop to surrounding still air is given by___________________?

A. Nsh = 2
B. Nst = 2
C. Nsc = 2
D. None of these

JD factor for mass transfer is a function of Reynolds number. Mass transfer by molecular diffusion from a single drop to surrounding still air is given by___________________? Read More »

Mass Transfer

If the overall efficiency and Murphree plate efficiency are equal, then both the equilibrium and operating lines are_______________?

Mass Transfer /
If the overall efficiency and Murphree plate efficiency are equal, then both the equilibrium and operating lines are_______________?

A. Straight
B. Parallel
C. Both A. & B.
D. Neither A. nor B.

If the overall efficiency and Murphree plate efficiency are equal, then both the equilibrium and operating lines are_______________? Read More »

Mass Transfer

In a distillation operation, what is the effect of the temperature of the reflux stream (given below) on the condenser and reboiler loads? Reflux conditions: (i) Reflux stream is completely liquid and is at its bubble point. (ii) Reflux stream is below its bubble point ?

Mass Transfer /
In a distillation operation, what is the effect of the temperature of the reflux stream (given below) on the condenser and reboiler loads? Reflux conditions: (i) Reflux stream is completely liquid and is at its bubble point. (ii) Reflux stream is below its bubble point ?

A. Condenser and reboiler loads are the same in both the cases
B. Reboiler load is the same in both the cases but condenser load is higher in case (ii)
C. Condenser load is the same in both the cases but reboiler load is higher in case (ii)
D. Both condenser and reboiler loads are higher in case (ii) as compared to case (i)

In a distillation operation, what is the effect of the temperature of the reflux stream (given below) on the condenser and reboiler loads? Reflux conditions: (i) Reflux stream is completely liquid and is at its bubble point. (ii) Reflux stream is below its bubble point ? Read More »

Mass Transfer