Chemical Reaction Engineering If Thiele modulus is __________ , then the pore diffusion resistance in a catalyst may be considered as negligible. ∞ < 0.5 0 > 0.5 ∞ < 0.5 0 > 0.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is a characteristic of an ideal plug flow reactor? Axial dispersion None of these Uniform mixing Flat velocity profile Axial dispersion None of these Uniform mixing Flat velocity profile ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The importance of diffusion in a catalyst are increased by Large catalyst particle size An active surface of the catalyst All of these Small pore diameter Large catalyst particle size An active surface of the catalyst All of these Small pore diameter ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst in a chemical reaction 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 All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Enzymes (a protein) are catalysts found in organisms. Its efficiency of catalysing a reaction is due to its capacity to lower the activation energy of the reaction. The enzyme ptyalin used for food digestion is present in Gland Blood Saliva Intestine Gland Blood Saliva Intestine ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Fluid flow in a real packed bed can be approximated as __________ model. Dispersion Plug flow Tank in series Mixed flow Dispersion Plug flow Tank in series Mixed flow ANSWER DOWNLOAD EXAMIANS APP
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