Chemical Reaction Engineering Which of the following resistances is not involved in a gas phase catalytic (gas- solid) reaction? Ash resistance Gas film and pore surface diffusion resistances for reactants Gas film and pore surface diffusion resistances for products Surface phenomenon resistance Ash resistance Gas film and pore surface diffusion resistances for reactants Gas film and pore surface diffusion resistances for products Surface phenomenon resistance ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The eddy diffusivity for a liquid in plug flow must be 0 Between 0 and 1 1 ∞ 0 Between 0 and 1 1 ∞ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When a catalyst increases the rate of forward reaction, the value of rate constant Remain same Decreases Becomes infinite Increases Remain same Decreases Becomes infinite Increases 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? Pore diffusion Film diffusion Chemical reaction Ash layer diffusion Pore diffusion Film diffusion Chemical reaction Ash layer diffusion ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The increase in the rate of reaction with temperature is due to Increase in the number of effective collisions None of these Increase in the average kinetic energy of the reacting molecules Decrease in activation energy Increase in the number of effective collisions None of these Increase in the average kinetic energy of the reacting molecules Decrease in activation energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of reaction of a/an __________ reaction is not affected by temperature rise. Consecutive Autocatalytic Photochemical Zero order Consecutive Autocatalytic Photochemical Zero order ANSWER DOWNLOAD EXAMIANS APP