The value of Lewis number (Le = Sc/Pr) for air-water vapour system is around_________________?

Related Mcqs:

Mass transfer co-efficient is defined as__________________?

A. Flux = Co-efficient/concentration difference B. Co-efficient = Flux/concentration difference C. Flux=concentration difference/coefficient D. None of these...

Flash distillation is _______________________?

A. Same as differential distillation B. Used for multi-component systems like crude refining C. Same as simple distillation D. Most useful for handling binary systems...

Which is not concerned directly with mass transfer ?

A. Schmidt number B. Sherwood number C. Lewis relationship D. Froude number...

The critical moisture content in case of drying indicates the _______________ rate period?

A. Beginning of falling B. Beginning of constant C. End of falling D. None of these...

Sodium bicarbonate is produced during soda ash manufacture using a _______________ tower?

A. Plate B. Baffle C. Packed D. None of these...