Chemical Reaction Engineering Which of the following factors control the deactivation of a porous catalyst pellet? Decay reactions Pore diffusion Form of surface attack by poison All of these Decay reactions Pore diffusion Form of surface attack by poison All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A reaction in which one of the products of reaction acts as a catalyst is called a/an __________ reaction. None of these Catalytic Photochemical Autocatalytic None of these Catalytic Photochemical Autocatalytic ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is not a theory of homogeneous reaction? None of these Chain reaction theory Radiation hypothesis Collision theory and activated complex theory None of these Chain reaction theory Radiation hypothesis Collision theory and activated complex theory 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 reduced or the catalyst diffusivity is increased Catalyst size is increased or the catalyst diffusivity is reduced Catalyst size is reduced or the catalyst diffusivity is reduced Catalyst size is increased or the catalyst diffusivity is increased Catalyst size is reduced or the catalyst diffusivity is increased Catalyst size is increased or the catalyst diffusivity is reduced Catalyst size is reduced or the catalyst diffusivity is reduced Catalyst size is increased or the catalyst diffusivity is increased ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For identical flow rate, feed composition and for elementary first order reactions, 'N' equal sized mixed reactors in series with a total volume 'V' gives the same conversion as a single plug flow reactor of volume 'V' for constant density systems. This is true, when the value of 'N' is 1 ≥1 ∞ >1 1 ≥1 ∞ >1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a CSTR __________ varies with time. Both A & B Concentration Reaction rate Neither A nor B Both A & B Concentration Reaction rate Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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