Chemical Reaction Engineering Which of the following factors control the deactivation of a porous catalyst pellet? Pore diffusion All of these Form of surface attack by poison Decay reactions Pore diffusion All of these Form of surface attack by poison Decay reactions ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the time required to complete a definite fraction of reaction varies inversely as the concentration of the reactants, then the order of reaction is 3 2 1 3 2 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a first order isothermal chemical reaction in a porous catalyst, the effectiveness factor is 0.3. The effectiveness factor will increase if the Catalyst size is increased or the catalyst diffusivity is reduced Catalyst size is reduced or the catalyst diffusivity is increased Catalyst size is increased or the catalyst diffusivity is increased Catalyst size is reduced or the catalyst diffusivity is reduced Catalyst size is increased or the catalyst diffusivity is reduced Catalyst size is reduced or the catalyst diffusivity is increased Catalyst size is increased or the catalyst diffusivity is increased Catalyst size is reduced or the catalyst diffusivity is reduced ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of a P.F.R., there Should not be any mixing along the flow path May be lateral mixing of fluid Neither A nor B Both A and B Should not be any mixing along the flow path May be lateral mixing of fluid Neither A nor B Both A and B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In chamber process of sulphuric acid manufacture in industry, the gas phase oxidation of SO₂ to SO₃ is accomplished by a __________ reaction. Non-catalytic heterogeneous Catalytic homogenous Catalytic heterogeneous Non-catalytic homogeneous Non-catalytic heterogeneous Catalytic homogenous Catalytic heterogeneous Non-catalytic homogeneous ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For an isothermal second order aqueous phase reaction, A → B, the ratio of the time required for 90% conversion to the time required for 45% conversion is 11 22 2 4 11 22 2 4 ANSWER DOWNLOAD EXAMIANS APP
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