Chemical Reaction Engineering For an ideal plug flow reactor, the value of Peclet number is 1 10 ∞ 0 1 10 ∞ 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of staged packed bed reactors carrying out exothermic reaction, use High recycle for pure gas Cold shot operations for a dilute solution requiring large preheating to bring the stream upto the reaction temperature Plug flow for dilute liquid requiring no large preheating of feed All of these High recycle for pure gas Cold shot operations for a dilute solution requiring large preheating to bring the stream upto the reaction temperature Plug flow for dilute liquid requiring no large preheating of feed All of these 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? Chemical reaction Pore diffusion Film diffusion Ash layer diffusion Chemical reaction Pore diffusion Film diffusion Ash layer diffusion ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In autocatalytic reactions, One of the products acts as a catalyst Catalysts have very high selectivity One of the reactants acts as a catalyst No catalyst is used One of the products acts as a catalyst Catalysts have very high selectivity One of the reactants acts as a catalyst No catalyst is used ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Half life period of a chemical reaction is Half of the residence time of a reaction Half of the space time of a reaction None of these The time required to reduce the concentration of the reacting substance to half its initial value Half of the residence time of a reaction Half of the space time of a reaction None of these The time required to reduce the concentration of the reacting substance to half its initial value ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In an ideal tubular-flow reactor There is no mixing in longitudinal direction Mixing takes place in radial direction All of these There is a uniform velocity across the radius There is no mixing in longitudinal direction Mixing takes place in radial direction All of these There is a uniform velocity across the radius ANSWER DOWNLOAD EXAMIANS APP
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