Chemical Reaction Engineering If Thiele modulus is __________ , then the pore diffusion resistance in a catalyst may be considered as negligible. ∞ 0 < 0.5 > 0.5 ∞ 0 < 0.5 > 0.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A stirred tank reactor compared to tubular-flow reactor provides More uniform operating conditions Higher overall selectivity for a first order consecutive reaction Permits operation at the optimum temperature for a long reaction time All of these More uniform operating conditions Higher overall selectivity for a first order consecutive reaction Permits operation at the optimum temperature for a long reaction time All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering B.E.T. method of finding out surface area of a catalyst, uses the extension of __________ isotherm. Langmuir None of these Tempkin Freundlich Langmuir None of these Tempkin Freundlich ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The most unsuitable reactor for carrying out reactions in which high reactant concentration favours high yields is Plug flow reactor PFR in series Series of CSTR Backmix reactor Plug flow reactor PFR in series Series of CSTR Backmix reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering At a given value of E/R (ratio of activation energy and gas constant), the ratio of the rate constants at 500°K and 400°K is 2, if Arrhenious law is used. What will be this ratio, if transition state theory is used with the same value of E/R? 2 2.24 1.6 2.5 2 2.24 1.6 2.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering From among the following, choose one which is not an exothermic process. Methanol synthesis Catalytic cracking Ammonia synthesis Oxidation of sulphur Methanol synthesis Catalytic cracking Ammonia synthesis Oxidation of sulphur ANSWER DOWNLOAD EXAMIANS APP
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