Chemical Reaction Engineering Transition state theory relates the above quantities as K ∝ √T K ∝ T1.5 K ∝ e-E/RT K ∝ T.eE/RT K ∝ √T K ∝ T1.5 K ∝ e-E/RT K ∝ T.eE/RT ANSWER DOWNLOAD EXAMIANS APP
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 Reaction External mass transfer None of these Diffusion within the pellet Reaction External mass transfer None of these Diffusion within the pellet ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Space time in flow reactor is A measure of its capacity Usually equal to the residence time The reciprocal of the space velocity Both A and B A measure of its capacity Usually equal to the residence time The reciprocal of the space velocity Both A and B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which one is the rate controlling step in a solid-gas non-catalytic reaction occurring at very high temperature? Ash layer diffusion Film diffusion Pore diffusion Chemical reaction Ash layer diffusion Film diffusion Pore diffusion Chemical reaction 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 Maximum equilibrium conversion for endothermic reaction is obtained at the __________ temperature. Room Highest possible Lowest possible Intermediate Room Highest possible Lowest possible Intermediate ANSWER DOWNLOAD EXAMIANS APP
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