Chemical Reaction Engineering Which of the following fixes the volume of a batch reactor for a particular conversion and production rate? Operating conditions (e.g. pressure and temperature) None of these Density of mixture Rate constant Operating conditions (e.g. pressure and temperature) None of these Density of mixture Rate constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following resistances is not involved in a gas phase catalytic (gas- solid) reaction? Surface phenomenon resistance Gas film and pore surface diffusion resistances for reactants Gas film and pore surface diffusion resistances for products Ash resistance Surface phenomenon resistance Gas film and pore surface diffusion resistances for reactants Gas film and pore surface diffusion resistances for products Ash resistance ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the liquid phase parallel reactions:R, rR = K?.CA2; E? = 80 KJ/moleS, rS = K?.CA ; E? = 120 KJ/mole The desired product is R. A higher selectivity of R will be achieved, if the reaction is conducted at Low temperature in a PFR High temperature in a PFR Low temperature in a CSTR High temperature in a CSTR Low temperature in a PFR High temperature in a PFR Low temperature in a CSTR High temperature in a CSTR ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Consider the 'n' th order irreversible liquid phase reaction A → B. Which one of the following plots involving half life of the reaction (t1/2) and the initial reactant concentration (CA0) gives a straight line plot? CA0 Vs ln t1/2 Ln CA0 Vs t1/2 CA0 Vs t1/2 Ln CA0 Vs ln t1/2 CA0 Vs ln t1/2 Ln CA0 Vs t1/2 CA0 Vs t1/2 Ln CA0 Vs ln t1/2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reason why a catalyst increases the rate of reaction is that, it Decreases the molecular collision diameter Increases the activation energy Decreases the energy barrier for reaction None of these Decreases the molecular collision diameter Increases the activation energy Decreases the energy barrier for reaction None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of physical adsorption, the heat of adsorption is of the order of __________ kcal/kg.mole. 1000 100000 10000 100 1000 100000 10000 100 ANSWER DOWNLOAD EXAMIANS APP
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