Fluid flow in a real packed bed can be approximated as ________________ model?

Related Mcqs:

Brunauer, Emmet and Teller (BET) equation is used to determine the specific surface area of a porous particle but not the pore volume & the porosity of the catalyst bed. Which of the following postulates is not used to derive BET equation ?

A. Langmuir’s assumption applies to every adsorbed layer B. There is no dynamic equilibrium between successive layer C. The adsorbed layer may be polymolecular in thickness and the heat of adsorption in each layer (except the first one) is involved in each of the evaporation process D. None of these...

Arrhenius equation represents graphically the variation between the ______________ and temperature?

A. Rate of reaction B. Frequency factor C. Rate constant D. Activation energy...

A reaction which is catalysed by a base is catalysed by all substances which have a tendency to_______________________?

A. Lose a proton B. Gain a proton C. Gain an electron D. None of these...

The catalytic converter for conversion of SO2 to SO3 by contact process should have a feed with SO2 content between___________________?

A. 2-5 % B. 7-10 % C. 12-15 % D. 20-25 %...

Rate constant ‘k’ and absolute temperature ‘T’ are related by collision theory (for bimolecular) as______________________?

A. k ∝ T1.5 B. k ∝ exp(-E/RT) C. k ∝ √T D. k ∝ T...