The value of NA/(NA + NB) for steady state molecular diffusion of gas ‘A’ through nondiffusing gas ‘B’ is____________________?

Related Mcqs:

The Knudsen diffusivity is proportional to (where, T = absolute temperature) ______________________?

A. √T B. T2 C. T D. T4...

Co-current absorbers are usually used when the gas to be dissolved in the liquid is ___________________?

A. Sparingly soluble B. Highly soluble C. A pure substance D. A mixture...

Pick out the wrong statement ?

A. Mechanical agitation is required, if the system has low interfacial tension B. Sieve tray towers are generally used for systems having low interfacial tension C. When Henry’s law constant is very small, then the mass transfer rate is controlled by the gas film resistance D. Taylor-Prandtl analogy for heat and mass transfer considers the … Pick out the wrong statement ?Read More...

Pick out the wrong statement pertaining to the cooling towers ?

A. In case of induced draft cooling tower, the fan is placed at the top of the tower B. Effectiveness of forced draft cooling tower is reduced by the recirculation of the humid and hot discharged air C. A natural draft cooling tower is recommended to be used, when the air humidity is low and … Pick out the wrong statement pertaining to the cooling towers ?Read More...

Which of the following is directly concerned with Psychrometry ?

A. Lewis relationship B. Galileo number C. Weber number D. Dean number...