Chemical Reaction Engineering Catalytic action in a catalytic chemical reaction follows from the ability of catalyst to change the Equilibrium constant Heat of reaction None of these Activation energy Equilibrium constant Heat of reaction None of these Activation energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering __________ resistance is not involved in the combustion of a carbon particle. Ash Chemical reaction Gas film None of these Ash Chemical reaction Gas film None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Bulk diffusion in catalyst pore __________ with increase in pressure. Increases exponentially Remains unchanged Increases Decreases Increases exponentially Remains unchanged Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following factors control the deactivation of a porous catalyst pellet? Form of surface attack by poison All of these Pore diffusion Decay reactions Form of surface attack by poison All of these Pore diffusion Decay reactions ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a tubular reactor with space time 'τ' and residence time 'θ', the following statement holds good. τ = θ , when the fluid density changes in the reactor τ = θ , for a non-isothermal reactor τ = θ , for an isothermic tubular reactor in which the density of the process fluid is constant τ and θ are always equal τ = θ , when the fluid density changes in the reactor τ = θ , for a non-isothermal reactor τ = θ , for an isothermic tubular reactor in which the density of the process fluid is constant τ and θ are always equal ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The concentration of A in a first order reaction, A → B, decreases Exponentially with time Logarithmically with time Very abruptly towards the end of the reaction Linearly with time Exponentially with time Logarithmically with time Very abruptly towards the end of the reaction Linearly with time ANSWER DOWNLOAD EXAMIANS APP