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 products Gas film and pore surface diffusion resistances for reactants Ash resistance Surface phenomenon resistance Gas film and pore surface diffusion resistances for products Gas film and pore surface diffusion resistances for reactants Ash resistance ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The energy balance equation over a tubular reactor under transient conditions is An ordinary non-linear differential equation A non-linear partial differential equation An algebric differential equation A linear partial differential equation An ordinary non-linear differential equation A non-linear partial differential equation An algebric differential equation A linear partial differential equation ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is the optimum operating condition for an exothermic reversible reaction taking place in a plug-flow reactor? None of these Very low temperature should be used throughout the reaction Temperature should be high in the beginning and decreased towards the end of the reaction Very high temperature should be used throughout the reaction None of these Very low temperature should be used throughout the reaction Temperature should be high in the beginning and decreased towards the end of the reaction Very high temperature should be used throughout the reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the pore diffusion controls in a catalytic reaction, the apparent activation energy Ea is equal to (E + ED) where ED is activation due to diffusion (E + ED)/2 ED/2 The intrinsic activation energy E (E + ED) where ED is activation due to diffusion (E + ED)/2 ED/2 The intrinsic activation energy E ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In an ideal mixed reactor (at steady state), the Composition throughout the reactor remains same Exit stream has the same composition as the fluid within the reactor All of these Space time is equivalent to holding time for constant density systems Composition throughout the reactor remains same Exit stream has the same composition as the fluid within the reactor All of these Space time is equivalent to holding time for constant density systems ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of a/an __________ chemical reaction, conversion increases with the rise in temperature. Irreversible endothermic Irreversible exothermic Reversible exothermic Reversible endothermic Irreversible endothermic Irreversible exothermic Reversible exothermic Reversible endothermic ANSWER DOWNLOAD EXAMIANS APP
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