Chemical Reaction Engineering Which one is the rate controlling step in a solid-gas non-catalytic reaction occurring at very high temperature? Film diffusion Chemical reaction Pore diffusion Ash layer diffusion Film diffusion Chemical reaction Pore diffusion Ash layer diffusion 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 Pore diffusion All of these Decay reactions Form of surface attack by poison Pore diffusion All of these Decay reactions ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The energy balance equation over a tubular reactor under transient conditions is 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 An ordinary non-linear differential equation A non-linear partial differential equation An algebric differential equation ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Velocity of a chemical reaction Decreases with increase in temperature Increases with increase of pressure of reactants for all reactions Decreases with increase of reactant concentration None of these Decreases with increase in temperature Increases with increase of pressure of reactants for all reactions Decreases with increase of reactant concentration None of these 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? Very low temperature should be used throughout the reaction None of these Temperature should be high in the beginning and decreased towards the end of the reaction Very high temperature should be used throughout the reaction Very low temperature should be used throughout the reaction None of these 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 Transition state theory gives the rate constant as K α √T . e-E/RT K α e-E/RT K α T . e-E/RT K α eE/RT K α √T . e-E/RT K α e-E/RT K α T . e-E/RT K α eE/RT ANSWER DOWNLOAD EXAMIANS APP
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