Molecular diffusion is caused by the________________?

Related Mcqs:

Experiments were conducted to determine the flux of a species A in a stagnant medium across a gas-liquid interface. The overall mass transfer co-efficient based on the liquid side for dilute systems for the above was estimated to be 4 × 10-3 kg mole/m2.s. The equilibrium data for the system is given as y = 2x. The flux across the interface (in kg mole/m2 .s) for bulk concentrations of A in gas phase and liquid phase as y = 0.4 and x = 0.01 respectively is _________________________?

A. 5.6 × 10-4 B. 8.5 × 10-4 C. 5.6 × 10-3 D. 8.5 × 10-3...

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...

In most of the mechanically agitated liquid-liquid extractors, baffles or horizontal compartmental plates are provided, which helps in_________________?

A. Reducing the axial mixing B. Increasing the rate of extraction C. Maintaining the concentration difference between the two phases D. All A , B & C....

Design calculation for multiple component distillation is done by_________________?

A. Ponchon-Savarit method B. McCabe-Thiele method C. Enthalpy concentration method D. Tray to tray calculations...

Which of the following is directly concerned with Psychrometry ?

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