Chemical Reaction Engineering A first order reaction A → B occurs in an isothermal porous catalyst pellet of spherical shape. If the concentration of A at the centre of the pellet is much less than at the external surface, the process is limited by None of these Diffusion within the pellet Reaction External mass transfer None of these Diffusion within the pellet Reaction External mass transfer ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Effectiveness factor of a catalyst pellet is a measure of the __________ resistance. Gas film Chemical reaction None of these Pore diffusion Gas film Chemical reaction None of these Pore diffusion ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of __________ reactions, the reaction rate does not decrease appreciably as the reaction proceeds. Auto catalytic Parallel Series Catalytic Auto catalytic Parallel Series Catalytic ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Limiting reactant in a chemical reaction decides the Reaction speed Equilibrium constant Rate constant Conversion Reaction speed Equilibrium constant Rate constant Conversion 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(1 - XA)Vs τ 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 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When the reaction is dominated by in-traparticle diffusion, the apparent order of reaction (nD) as measured is related to the true order (n) as None of these ND = n/2 ND = (n + 1)/2 ND = n + 1 None of these ND = n/2 ND = (n + 1)/2 ND = n + 1 ANSWER DOWNLOAD EXAMIANS APP