Lewis number, which is important in problems involving simultaneous heat and mass transfer, is the ratio of__________________?

Related Mcqs:

With increase in the mass velocity of the gas, the rate of drying during the constant rate period ______________, if the conduction and radiation through the solid are negligible ?

A. Increases B. Decreases C. Remain same D. Increases linearly...

Water entrained by circulating air in cooling towers is termed as________________?

A. Drift B. Blow down C. Vapor load D. None of these...

The individual mass transfer co-efficients (moles/m2s) for absorption of a solute from a gas mixture into a liquid solvent are, KL = 4.5 and KG = 1.5. The slope of the equilibrium line is 3. Which of the following resistance (s) is (are) controlling ?

A. Liquid side B. Gas side C. Interfacial D. Both liquid and gas side...

Most important factor to be considered in the selection of packings for absorbers is the ______________ of packing?

A. Size B. Durability C. Porosity D. Cost...

All moisture in a non-hygroscopic material is the ________________ moisture?

A. Free B. Equilibrium C. Unbound D. Bound...