Chemical Reaction Engineering The ratio of volume of mixed reactor to the volume of P.F.R. (for identical flow rate, feed composition and conversion) for zero order reaction is > 1 ∞ 1 > 1 ∞ 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A stirred tank reactor compared to tubular-flow reactor provides More uniform operating conditions Permits operation at the optimum temperature for a long reaction time Higher overall selectivity for a first order consecutive reaction All of these More uniform operating conditions Permits operation at the optimum temperature for a long reaction time Higher overall selectivity for a first order consecutive reaction All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is an autocatalytic reaction? Photochemical reactions Ammonia synthesis reaction Enzyme fermentation reaction Microbial fermentation reaction Photochemical reactions Ammonia synthesis reaction Enzyme fermentation reaction Microbial fermentation reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate constant of a chemical reaction decreases by decreasing the Concentration of reactants Pressure Temperature Duration of reaction Concentration of reactants Pressure Temperature Duration of reaction 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 22 11 2 4 22 11 2 4 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the rate of a chemical reaction becomes slower at a given temperature, then the Free energy of activation is lower Initial concentration of the reactants remains constant Free energy of activation is higher Entropy changes Free energy of activation is lower Initial concentration of the reactants remains constant Free energy of activation is higher Entropy changes ANSWER DOWNLOAD EXAMIANS APP
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