Chemical Reaction Engineering Which of the following factors control the design of a fluid-solid reactor? All of these Flow patterns of solids and fluid in the reactor Reaction kinetics for single particle, Size distribution of solids beingtreated All of these Flow patterns of solids and fluid in the reactor Reaction kinetics for single particle, Size distribution of solids beingtreated ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In Langmuir treatment of adsorption, Whole surface of the catalyst does not have the same activity for adsorption and there is attraction between the adsorbed molecule All the adsorption does not take place by the same mechanism Whole surface of the catalyst is essentially uniform and the adsorbed molecule has no effect on the rate of adsorption per site Extent of adsorption is more than one complete monomolecular layer on the surface Whole surface of the catalyst does not have the same activity for adsorption and there is attraction between the adsorbed molecule All the adsorption does not take place by the same mechanism Whole surface of the catalyst is essentially uniform and the adsorbed molecule has no effect on the rate of adsorption per site Extent of adsorption is more than one complete monomolecular layer on the surface ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a packed bed reactor; the presence of a long tail in the residence time distribution curve is an indication of Dead zone Bypass Chanelling Ideal plug flow Dead zone Bypass Chanelling Ideal plug flow ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Rate constant 'k' and absolute temperature 'T' are related by collision theory (for bimolecular) as k ∝ T k ∝ exp(-E/RT) k ∝ √T k ∝ T1.5 k ∝ T k ∝ exp(-E/RT) k ∝ √T k ∝ T1.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Brunaur, 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? None of these There is no dynamic equilibrium between successive layer Langmuir 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 None of these There is no dynamic equilibrium between successive layer Langmuir 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 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Radioactive decay follows __________ order kinetics. Second Third Zero First Second Third Zero First ANSWER DOWNLOAD EXAMIANS APP
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