Chemical Reaction Engineering For all positive reaction orders for a particular duty, Mixed reactor is always larger than the plug-flow reactor Ratio of the volume of the mixed reactor to that of the plug-flow reactor decreases with order Density variation during reaction affects design Reactor size is independent of the type of flow Mixed reactor is always larger than the plug-flow reactor Ratio of the volume of the mixed reactor to that of the plug-flow reactor decreases with order Density variation during reaction affects design Reactor size is independent of the type of flow ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Half life period of a chemical reaction is proportional to CA0-1 , if the reaction is of __________ order. First Third Second Zero First Third Second Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Integral method for analysing the kinetic data is used Both A and B When the data are scattered None of these For testing specific mechanisms with simple rate expressions Both A and B When the data are scattered None of these For testing specific mechanisms with simple rate expressions ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Vegetable oils are hydrogenated in a __________ reactor. Slurry Plug flow None of these Homogeneous catalytic Slurry Plug flow None of these Homogeneous catalytic 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 Diffusion within the pellet Reaction External mass transfer None of these Diffusion within the pellet Reaction External mass transfer None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of the heterogenous catalytic reaction A(g) + B(g) ? C(g) is given by -rA = k.KA.pA.PB/(1 + KA.PA + Kc.pc), where KA and Kc are the adsorption equilibrium constants. The rate controlling step for this reaction isA. absorption of A. Surface reaction between absorbed A and absorbed B Absorption of A Surface reaction between A in the gas phase and absorbed B Surface reaction between absorbed A and B in the gas phase Surface reaction between absorbed A and absorbed B Absorption of A Surface reaction between A in the gas phase and absorbed B Surface reaction between absorbed A and B in the gas phase ANSWER DOWNLOAD EXAMIANS APP
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