If mass diffusivity in a mixture is equal to the thermal diffusivity, then the Lewis number is____________________

Related Mcqs:

The relative volatility of a binary mixture at the Azeotropic composition is _______________________?

A. 1 B. > 1 C. 0 D. ∞...

Large scale usage of flash distillation is practised in __________________?

A. Soap manufacturing B. Ammonia synthesis plant C. Polymerisation industry D. Petroleum refining...

Fenske-Underwood equation used for calculating the minimum number of theoretical plates in distillation column is valid for_________________?

A. Constant molal overflow B. Total reflux C. Constant relative volatility D. All A., B. and C....

Solvent used in extractive distillation___________________?

A. Changes the relative volatility of the original components B. Should be of high volatility C. Should form azeotropes with the original components D. All A., B. and C....

The most common packing used in industrial operations is _______________ rings?

A. Raschig B. Lessing C. Cross-partition D. Single spiral...