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 If the pore diffusion controls in a catalytic reaction, the apparent activation energy Ea is equal to The intrinsic activation energy E (E + ED)/2 ED/2 (E + ED) where ED is activation due to diffusion The intrinsic activation energy E (E + ED)/2 ED/2 (E + ED) where ED is activation due to diffusion ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Half life period of a chemical reaction is Half of the residence time of a reaction The time required to reduce the concentration of the reacting substance to half its initial value None of these Half of the space time of a reaction Half of the residence time of a reaction The time required to reduce the concentration of the reacting substance to half its initial value None of these Half of the space time of a reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Non-catalytic fluid-solid reactions are represented by __________ model. Neither A and B Both A and B Unreacted core Continuous reaction Neither A and B Both A and B Unreacted core Continuous reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of reaction does not decrease appreciably as the reaction proceeds in case of __________ reactions. Endothermic Autocatalytic Exothermic Autothermal Endothermic Autocatalytic Exothermic Autothermal ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A batch adiabatic reactor at an initial temperature of 373°K is being used for the reaction, A → B. Assume the heat of reaction is - 1kJ/mole at 373°K and heat capacity of both A and B to be constant and equal to 50J/mole.K. The temperature rise after a conversion of 0.5 will be 20°C 10°C 100°C 5°C 20°C 10°C 100°C 5°C ANSWER DOWNLOAD EXAMIANS APP