Correct answer
A. Interparticle attrition
Explanation
The correct answer is Interparticle attrition.
Effective diffusivity (DE) in a catalyst pellet is related to molecular diffusivity (DN) and Knudsen diffusivity (DK) as________?
Thickness of thermal boundary layer is more compared to that of hydrodynamic boundary layer, when the value of Prandtl number is________?
In case of a P.F.R., there________?
Rate of heat transfer by vaporisation from pools of water is affected by the ________?
Which of the following can be manufactured using powder metallurgy techniques?
For shell and tube heat exchanger, with increasing heat transfer area, the purchased cost per unit heat transfer area________?