Search
.Management Sciences
A. The binary diffusivity in liquids is of the order of 10-5 cm2/sec
B. Molecular diffusion in solid is much faster than that in liquids
C. Particles movement from higher concentration to lower concentration takes place in diffusion
process
D. According to Poiseuille’s law, the permeability decreases with increase in temperature for
flow of a gas through a given capillary
Related Mcqs:
- The cooling effect in a cooling tower can be speeded up by _______________________?
- A. Increasing the air velocity and area of exposed wet surface B. Reducing the barometric pressure C. Reducing the humidity of the air D. All A., B. and C....
- Molecular sieves are regenerated by heating to ______________ °C?
- A. < 150 B. 200-330 C. > 500 D. > 1000...
- Which of the following can be calculated theoretically using steam table and Dalton’s law of partial pressure; if the relative humidity and dry bulb temperature of moist air is known ?
- A. Dew point B. Humidity ratio C. Wet bulb temperature D. None of these...
- 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...
- Laboratory determination of the diffusivity of vapor is done by ______________ method?
- A. Wetted wall column B. Gilliland’s C. Winkelmann’s D. Wike’s...
Recent Comments