Chemical Reaction Engineering Helium-mercury method is used for the measurement of the __________ of the catalyst. Porosity Pore volume Surface area Both B & C Porosity Pore volume Surface area Both B & C 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? Ash layer diffusion Pore diffusion Film diffusion Chemical reaction Ash layer diffusion Pore diffusion Film diffusion Chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst loses its activity due to Covering of the catalytic active sites by a foregin substance Agglomeration of metal particles caused by thermal sintering of the solid surface All of these Loss in surface area of the active component Covering of the catalytic active sites by a foregin substance Agglomeration of metal particles caused by thermal sintering of the solid surface All of these Loss in surface area of the active component ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Autocatalytic reactions are best carried out in a Plug flow reactor Recycle reactor CSTR CSTR in series Plug flow reactor Recycle reactor CSTR CSTR in series ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Photochemical reaction rate does not depend significantly on temperature, because The energy of reacting molecules exceeds the activation energy by absorption of light It is a reversible reaction None of these It is an exothermic reaction The energy of reacting molecules exceeds the activation energy by absorption of light It is a reversible reaction None of these It is an exothermic reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Chemical reaction rate of a component depends upon the All of these Pressure of the system Composition of the component only Temperature of the system All of these Pressure of the system Composition of the component only Temperature of the system ANSWER DOWNLOAD EXAMIANS APP
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