Chemical Reaction Engineering Which one is the rate controlling step in a solid-gas non-catalytic reaction occurring at very high temperature? Pore diffusion Ash layer diffusion Film diffusion Chemical reaction Pore diffusion Ash layer diffusion Film diffusion Chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A reaction which is catalysed by a base is catalysed by all substances which have a tendency to None of these Gain a proton Lose a proton Gain an electron None of these Gain a proton Lose a proton Gain an electron ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of a P.F.R., there Neither A nor B Should not be any mixing along the flow path Both A and B May be lateral mixing of fluid Neither A nor B Should not be any mixing along the flow path Both A and B May be lateral mixing of fluid ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Space time equals the mean residence time For large diameter tubular reactor For narrow diameter tubular reactor For CSTR When the density of the reaction mixture is constant For large diameter tubular reactor For narrow diameter tubular reactor For CSTR When the density of the reaction mixture is constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In which of the following gaseous phase reactions, the equilibrium of the reaction remains unaffacted by pressure changes ? N? + O? ? 2NO 2NO? ? N?O? 2O? ? 3O? 2SO? + O? ? 2SO? N? + O? ? 2NO 2NO? ? N?O? 2O? ? 3O? 2SO? + O? ? 2SO? ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In an ideal mixed reactor (at steady state), the All of these Space time is equivalent to holding time for constant density systems Composition throughout the reactor remains same Exit stream has the same composition as the fluid within the reactor All of these Space time is equivalent to holding time for constant density systems Composition throughout the reactor remains same Exit stream has the same composition as the fluid within the reactor ANSWER DOWNLOAD EXAMIANS APP