Chemical Reaction Engineering When a catalyst increases the rate of chemical reaction, the rate constant Becomes infinite Decreases Remains constant Increases Becomes infinite Decreases Remains constant Increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In Langmuir treatment of adsorption, Extent of adsorption is more than one complete monomolecular layer on the surface All the adsorption does not take place by the same mechanism Whole surface of the catalyst does not have the same activity for adsorption and there is attraction between the adsorbed molecule 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 All the adsorption does not take place by the same mechanism Whole surface of the catalyst does not have the same activity for adsorption and there is attraction between the adsorbed molecule Whole surface of the catalyst is essentially uniform and the adsorbed molecule has no effect on the rate of adsorption per site ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of a P.F.R., there Neither A nor B Should not be any mixing along the flow path Both A and B May be lateral mixing of fluid Neither A nor B Should not be any mixing along the flow path Both A and B May be lateral mixing of fluid ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A reversible liquid phase endothermic reaction is to be carried out in a plug flow reactor. For minimum reactor volume, it should be operated such that the temperature along the length First increases and then decreases Increases Is at the highest allowable temperature throughout Decreases First increases and then decreases Increases Is at the highest allowable temperature throughout Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering BET apparatus is used to determine the Pore diameter Pore size distribution Porosity of the catalyst bed Specific surface of a porous catalyst Pore diameter Pore size distribution Porosity of the catalyst bed Specific surface of a porous catalyst ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Calcination reaction of limestone (CaCO₃ → CaO + CO₂) goes to completion in the rotary kiln, because CaO is not dissociated CO₂ escapes continuously Of high calcination temperature CaO is more stable than CaCO₃ CaO is not dissociated CO₂ escapes continuously Of high calcination temperature CaO is more stable than CaCO₃ ANSWER DOWNLOAD EXAMIANS APP
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