The Knudsen diffusivity is dependent on the ______________________?

Related Mcqs:

The drying time between fixed moisture content within diffusion controlled ‘falling rate period’ is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid) ?

A. √T B. T C. T2 D. T3...

For a single component absorber, the operating line is straight only when plotted in term of ______________ units?

A. Partial pressure B. Mole ratio C. Mole fraction D. None of these...

The reason for preferring packed towers over plate towers in distillation practice is that the packed tower operation gives___________________?

A. Low pressure drop and high hold up B. High pressure drop and low hold up C. Low pressure drop and low hold up D. High pressure drop and high hold up...

The suitable evaporator for concentration of foaming liquids is a ______________________ evaporator?

A. Long tube B. Short tube C. Vacuum D. Falling film...

If the specific heats of a gas and a vapor are 0.2KJ/Kg.°K and 1.5 KJ/Kg.°K respectively, and the humidity is 0.01; the humid heat in KJ/°Kg. is________________?

A. 0.31 B. 0.107 C. 0.017 D. 0.215...