Chemical Reaction Engineering What is the unit of the rate constant in a chemical reaction in which 10% of the reactant decomposes in one hour, 20% in two hours, 30% in three hours and so on? Moles/litre.second Litre/second Litre/mole.second Litre/mole Moles/litre.second Litre/second Litre/mole.second Litre/mole ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Exothermic reactions are best carried out in A plug flow reactor followed by CSTR CSTR followed by a plug flow reactor CSTR in series A CSTR A plug flow reactor followed by CSTR CSTR followed by a plug flow reactor CSTR in series A CSTR ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In an ideal P.F.R. at steady state conditions There may be diffusion along the flow path The composition of reactants remains constant along a flow path The conversion of the reactant varies from point to point along a flow path There is no lateral mixing of fluid There may be diffusion along the flow path The composition of reactants remains constant along a flow path The conversion of the reactant varies from point to point along a flow path There is no lateral mixing of fluid ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Design of heterogeous catalytic reactor involves consideration of __________ steps. Both A & B Only physical Neither A nor B Only chemical Both A & B Only physical Neither A nor B Only chemical ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In Langmuir treatment of adsorption, 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 Extent of adsorption is more than one complete monomolecular layer on the surface ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a semi-batch reactor Residence time is constant Maximum conversion can be controlled Both the reactants flow counter-currently Velocity of reaction can be controlled Residence time is constant Maximum conversion can be controlled Both the reactants flow counter-currently Velocity of reaction can be controlled ANSWER DOWNLOAD EXAMIANS APP
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