Chemical Reaction Engineering Which of the following resistances is not involved in a gas phase catalytic (gas- solid) reaction? Gas film and pore surface diffusion resistances for products Ash resistance Surface phenomenon resistance Gas film and pore surface diffusion resistances for reactants Gas film and pore surface diffusion resistances for products Ash resistance Surface phenomenon resistance Gas film and pore surface diffusion resistances for reactants ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When the density of the reaction mixture is constant in a chemical reaction, the ratio of the mean residence time to space time is 1 < 1 > 1 1 < 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The conversion XA and residence time data are collected for zero order liquid phase reaction in a stirred tank reactor. Which of the following will be a straight line? XA Vs ln τ XA Vs . τ XA(1 - XA)Vs τ XA/(1 - XA)Vs τ XA Vs ln τ XA Vs . τ XA(1 - XA)Vs τ XA/(1 - XA)Vs τ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Half life period of a chemical reaction is The time required to reduce the concentration of the reacting substance to half its initial value None of these Half of the space time of a reaction Half of the residence time of a reaction The time required to reduce the concentration of the reacting substance to half its initial value None of these Half of the space time of a reaction Half of the residence time of a reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of the reaction, X → Y, quadruples when the concentration of 'X' is doubled. The rate expression for the reaction is, r = K Cxn, the value of 'n' in this case will be 1 2 3 1 2 3 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 There is no lateral mixing of fluid The conversion of the reactant varies from point to point along a flow path The composition of reactants remains constant along a flow path There may be diffusion along the flow path There is no lateral mixing of fluid The conversion of the reactant varies from point to point along a flow path The composition of reactants remains constant along a flow path ANSWER DOWNLOAD EXAMIANS APP
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