Chemical Reaction Engineering An endothermic second order reaction is carried out in an adiabatic plug flow reactor. The rate of heat generation is Maximum at the inlet of the reactor Constant throughout the reactor Maximum at the exit of the reactor Maximum at the centre of the reactor Maximum at the inlet of the reactor Constant throughout the reactor Maximum at the exit of the reactor Maximum at the centre of the reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A stirred tank reactor compared to tubular-flow reactor provides More uniform operating conditions All of these Higher overall selectivity for a first order consecutive reaction Permits operation at the optimum temperature for a long reaction time More uniform operating conditions All of these Higher overall selectivity for a first order consecutive reaction Permits operation at the optimum temperature for a long reaction time ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Pick the WRONG design guideline for a reactor in which the reactions, A → R (desired) and A → S (undesired) are to take place. The ratio of the reaction rates is rR/rS = (k₁/k₂).Csub>Aa-b Use batch reactor or plug flow reactor, when a > b Use CSTR with a high conversion, when a > b Use high pressure and eliminate inerts, when a > b Avoid recycle, when a > b Use batch reactor or plug flow reactor, when a > b Use CSTR with a high conversion, when a > b Use high pressure and eliminate inerts, when a > b Avoid recycle, when a > b ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The use of space time is preferred over the mean residence time in the design of a/an CSTR Slurry reactor Batch reactor Ideal tubular-flow reactor CSTR Slurry reactor Batch reactor Ideal tubular-flow reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The knowledge of initial concentration and rate constant is necessary to determine the half life time of a reaction of __________ order. Second Zero None of these First Second Zero None of these First ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a first order reaction carried out in a plug flow reactor, the space time is 1/K In C/C0 1/K In C0/C K In C0/C K In C/C0 1/K In C/C0 1/K In C0/C K In C0/C K In C/C0 ANSWER DOWNLOAD EXAMIANS APP