In case of gases, the binary diffusivity is proportional to (where, P = pressure) ?

Related Mcqs:

1. In case of liquids, the binary diffusivity is proportional to (where, T = temperature) _____________________?

   A. T B. √T C. T2 D. 1/T...

2. The mass diffusivity, the thermal diffusivity and the eddy momentum diffusivity are same for, NPr = NSc = _________________?

   A. 1 B. 0.5 C. 10 D. 0...

3. The diffusivity, DAB (for component A diffusing in B) is equal to the diffusivity DBA (for component B diffusing in A) for a binary mixture of________________?

   A. Newtonian liquids B. Non-Newtonian liquids C. Ideal gases D. Real gases...

4. The binary diffusivity in gases and liquids vary respectively as_________________?

   A. T3/2 and T B. T and T3/2 C. √T and T3/2 D. T3/2 and √T...

5. The binary diffusivity in gases does not depend upon the ___________________?

   A. Pressure B. Temperature C. Nature of the components D. None of these...

6. The binary diffusivity in gases at atmospheric conditions is about ___________________?

   A. 10-9 cm/sec B. 10-1 cm2/sec C. 10-3 sec/cm D. 10-4 cm2/sec2...

7. In case of liquid-liquid binary diffusion, diffusivity of one constituent into another is not dependent on the__________________?

   A. Temperature and pressure B. Concentration C. Nature of the constituents D. None of these...

8. The diffusivity D. in a binary gas mixture is related to the pressure (P) as___________________?

   A. D ∝ P0.5 B. D ∝ 1/P0.5 C. D ∝ 1/P D. D ∝ 1/P1.5...

9. The diffusivity D. in a binary gas mixture is related to the pressure (P) as__________________?

   A. D ∝ P0.5 B. D ∝ 1/P0.5 C. D ∝ 1/P D. D ∝ 1/P1.5...

10. In case of non-ideal gases and liquids, the molal diffusivity ________________?

    A. Varies inversely as the pressure B. Varies directly as the pressure C. Is independent of pressure D. Is equal to the volumetric diffusivity...