Chemical Reaction Engineering A catalyst loses its activity due to Agglomeration of metal particles caused by thermal sintering of the solid surface All of these Covering of the catalytic active sites by a foregin substance Loss in surface area of the active component Agglomeration of metal particles caused by thermal sintering of the solid surface All of these Covering of the catalytic active sites by a foregin substance Loss in surface area of the active component ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A second order reaction of the form A + B → C is called a pseudo-first order reaction, when CB0 ≥ CB0 CA0 > CB0 CA0 = CB0 CB0 > CA0 CB0 ≥ CB0 CA0 > CB0 CA0 = CB0 CB0 > CA0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The equilibrium constant K of a chemical reaction depends on Temperature only Pressure only Temperature and pressure Ratio of reactants Temperature only Pressure only Temperature and pressure Ratio of reactants ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering __________ is the controlling step in a highly temperature sensitive fluid-solid non-catalytic reaction. Chemical reaction Gas film diffusion None of these Ash diffusion Chemical reaction Gas film diffusion None of these Ash diffusion ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of staged packed bed reactors carrying out exothermic reaction, use All of these Cold shot operations for a dilute solution requiring large preheating to bring the stream upto the reaction temperature High recycle for pure gas Plug flow for dilute liquid requiring no large preheating of feed All of these Cold shot operations for a dilute solution requiring large preheating to bring the stream upto the reaction temperature High recycle for pure gas Plug flow for dilute liquid requiring no large preheating of feed ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In an ideal mixed reactor (at steady state), the Space time is equivalent to holding time for constant density systems Exit stream has the same composition as the fluid within the reactor Composition throughout the reactor remains same All of these Space time is equivalent to holding time for constant density systems Exit stream has the same composition as the fluid within the reactor Composition throughout the reactor remains same All of these ANSWER DOWNLOAD EXAMIANS APP
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