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 . τ XA Vs ln τ XA/(1 - XA)Vs τ XA(1 - XA)Vs τ XA Vs . τ XA Vs ln 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 ND = n + 1 None of these ND = (n + 1)/2 ND = n/2 ND = n + 1 None of these ND = (n + 1)/2 ND = n/2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering BET apparatus is used to determine the Specific surface of a porous catalyst Porosity of the catalyst bed Pore size distribution Pore diameter Specific surface of a porous catalyst Porosity of the catalyst bed Pore size distribution Pore diameter ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is not a dimension-less group used in catalysis ? (where, D = dispersion co-efficient, cm² /sec.D1 = diffusion co-efficient; cm²/sec L = length of the reactor, cm t = time, sec, v = volumetric flow rate, cm³/sec . V = volume, cm³.) Thiele modulus (L√(k/D1) Reduced time (vt/V) None of these Reactor dispersion number (D/vL) Thiele modulus (L√(k/D1) Reduced time (vt/V) None of these Reactor dispersion number (D/vL) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst in a chemical reaction All of these Alters the reaction mechanism Decreases the activation energy Increases the frequency of collisions of reacting species All of these Alters the reaction mechanism Decreases the activation energy Increases the frequency of collisions of reacting species ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Photochemical reaction rate does not depend significantly on temperature, because The energy of reacting molecules exceeds the activation energy by absorption of light It is a reversible reaction None of these It is an exothermic reaction The energy of reacting molecules exceeds the activation energy by absorption of light It is a reversible reaction None of these It is an exothermic reaction ANSWER DOWNLOAD EXAMIANS APP
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