Chemical Reaction Engineering In autocatalytic reactions, Catalysts have very high selectivity One of the reactants acts as a catalyst One of the products acts as a catalyst No catalyst is used Catalysts have very high selectivity One of the reactants acts as a catalyst One of the products acts as a catalyst No catalyst is used ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The unit of frequency factor in Arhenious equation is Same as that of rate constant None of these Same as that of activation energy Dimensionless Same as that of rate constant None of these Same as that of activation energy Dimensionless ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering __________ gas is normally employed in B.E.T.method of finding out the surface area of catalyst. H₂ He N₂ CO₂ H₂ He N₂ CO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The performance of a cascade of CSTR's can be improved by adding More CSTR's in parallel A P.F. reactor in parallel More CSTR's in series A P.F. reactor in series More CSTR's in parallel A P.F. reactor in parallel More CSTR's in series A P.F. reactor in series ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The exit age distribution curve E(t) for an ideal CSTR with the average residence time, τ, is given by E-t/τ 1 - (e-t/τ/T) 1 - e-t/τ E-t/τ/T E-t/τ 1 - (e-t/τ/T) 1 - e-t/τ E-t/τ/T ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The space time is equivalent to the holding time in a steady state mixed reactor for Constant fluid density systems Non-isothermal gas reaction Gas reactions with changing no. of moles Variable fluid density systems Constant fluid density systems Non-isothermal gas reaction Gas reactions with changing no. of moles Variable fluid density systems ANSWER DOWNLOAD EXAMIANS APP