Chemical Reaction Engineering The sequence in which three CSTR's of volumes 5, 10 and 15 m³ will be connected in series to obtain the maximum production in a second order irreversible reaction is 10, 5, 15 5, 10, 15 15, 10, 5 10, 15, 5 10, 5, 15 5, 10, 15 15, 10, 5 10, 15, 5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A batch reactor is Least expensive to operate for a given rate Suitable for liquid phase reactions involving small production rate Most suitable for very large production rate Suitable for gas-phase reactions on commercial scale Least expensive to operate for a given rate Suitable for liquid phase reactions involving small production rate Most suitable for very large production rate Suitable for gas-phase reactions on commercial scale ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is an autocatalytic reaction? Ammonia synthesis reaction Microbial fermentation reaction Photochemical reactions Enzyme fermentation reaction Ammonia synthesis reaction Microbial fermentation reaction Photochemical reactions Enzyme fermentation reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate expression for a heterogenous catalytic reaction is given by, - rA = K.KA PA(1 + KA.PA + Kr.PR), where K is surface reaction rate constant and KA and KR are absorption equilibrium constants of A and R respectively. If KR PR >> (1 + KA PA), the apparent activation energy EA is equal to (given E is the activation energy for the reaction and ΔHR and ΔHA are the activation energies of adsorption of R and A) E + ΔHA - ΔHR E E + ΔHA ΔHA + ΔHR E + ΔHA - ΔHR E E + ΔHA ΔHA + ΔHR ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Helium-mercury method is used for the measurement of the __________ of the catalyst. Porosity Surface area Both B & C Pore volume Porosity Surface area Both B & C Pore volume 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 2 11 4 22 2 11 4 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS