Vapor velocity in a distillation column for non-foaming mixture is in the range of ______________ times the flooding velocity?

Related Mcqs:

Practical dividing line between a ductile and brittle materials is suggested, when the ultimate elongation is about 5%. Generally, larger the knuckle radius, stronger is the corner torus section of a head. The knuckle radius provided should be less than ______________ of the head?

A. 6% of I.D. B. 3 times the thickness C. Either A. or B., whichever is larger D. Either A. or B., whichever is smaller...

Log mean temperature difference in case of multi-pass shell and tube heat exchanger is always_________________?

A. Less than arithmetic mean value B. More than arithmetic mean value C. More than geometric mean value D. Both B. & C....

The approximate liquid depth in an agitation tank is equal to (where, d = tank diameter)_________________?

A. 0.5 d B. 0.75 d C. d D. 2 d...

In case of a continuous distillation column, increase in reflux ratio may result in the______________?

A. Lower fixed charges for the column B. Greater cost for the reboiler heat supply C. Greater cost for the condenser coolant D. All A., B. and C....

Maximum size of the raschig rings used in a packed tower is about _______________ of the column diameter?

A. 1/10th B. 1/20th C. 1/30th D. 1/50th...