Chemical Reaction Engineering Which of the following resistances is not involved in a gas phase catalytic (gas- solid) reaction? Ash resistance Surface phenomenon resistance Gas film and pore surface diffusion resistances for products Gas film and pore surface diffusion resistances for reactants Ash resistance Surface phenomenon resistance Gas film and pore surface diffusion resistances for products Gas film and pore surface diffusion resistances for reactants ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Carrier in a catalyst increases its Surface area Activity Performance None of these Surface area Activity Performance None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If n = overall order of a chemical reaction. a = initial concentration of reactant. t = time required to complete a definite fraction of the reaction. Then pick out the correct relationship. T ∝ 1/an - 1 T ∝ 1/an T ∝ 1/an + 1 T ∝ an T ∝ 1/an - 1 T ∝ 1/an T ∝ 1/an + 1 T ∝ an ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of reaction does not decrease appreciably as the reaction proceeds in case of __________ reactions. Autothermal Endothermic Exothermic Autocatalytic Autothermal Endothermic Exothermic Autocatalytic ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is an autocatalytic reaction? Microbial fermentation reaction Photochemical reactions Enzyme fermentation reaction Ammonia synthesis reaction Microbial fermentation reaction Photochemical reactions Enzyme fermentation reaction Ammonia synthesis reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The irreversible reaction is a special case of reversible reaction, if the Reactant concentration at equilibrium condition is zero All of these Conversion of the reactant at equilibrium condition is zero Equilibrium constant is 1 Reactant concentration at equilibrium condition is zero All of these Conversion of the reactant at equilibrium condition is zero Equilibrium constant is 1 ANSWER DOWNLOAD EXAMIANS APP