Chemical Reaction Engineering Fluid flow in a real packed bed can be approximated as __________ model. Plug flow Mixed flow Dispersion Tank in series Plug flow Mixed flow Dispersion Tank in series ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is not a theory of homogeneous reaction? Collision theory and activated complex theory Radiation hypothesis Chain reaction theory None of these Collision theory and activated complex theory Radiation hypothesis Chain reaction theory None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of staged packed bed reactors carrying out exothermic reaction, use High recycle for pure gas All of these Plug flow for dilute liquid requiring no large preheating of feed Cold shot operations for a dilute solution requiring large preheating to bring the stream upto the reaction temperature High recycle for pure gas All of these Plug flow for dilute liquid requiring no large preheating of feed Cold shot operations for a dilute solution requiring large preheating to bring the stream upto the reaction temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst loses its activity due to Agglomeration of metal particles caused by thermal sintering of the solid surface Loss in surface area of the active component Covering of the catalytic active sites by a foregin substance All of these Agglomeration of metal particles caused by thermal sintering of the solid surface Loss in surface area of the active component Covering of the catalytic active sites by a foregin substance All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The dispersion number of perfect mixed flow is ∞ > 150 < 2100 ∞ > 150 < 2100 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With increase in temperature, the equilibrium conversion of a reversible exothermic reaction Increases Remains unaffected Decreases Decreases linearily with temperature Increases Remains unaffected Decreases Decreases linearily with temperature ANSWER DOWNLOAD EXAMIANS APP
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