Chemical Reaction Engineering A back mix reactor is Same as ideal stirred tank reactor Ideal at very low conversion Same as plug flow reactor (PFR) Suitable for gas phase reactions Same as ideal stirred tank reactor Ideal at very low conversion Same as plug flow reactor (PFR) Suitable for gas phase reactions ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If ΔG (free energy change) for a chemical reaction is very large and negative, then the reaction is Very much feasible Just feasible Unpredictable as ΔG is no measure of feasibility of a reaction Not feasible Very much feasible Just feasible Unpredictable as ΔG is no measure of feasibility of a reaction Not feasible ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When the density of the reaction mixture is constant in a chemical reaction, the ratio of the mean residence time to space time is < 1 1 > 1 < 1 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of the heterogenous catalytic reaction A(g) + B(g) ? C(g) is given by -rA = k.KA.pA.PB/(1 + KA.PA + Kc.pc), where KA and Kc are the adsorption equilibrium constants. The rate controlling step for this reaction isA. absorption of A. Surface reaction between absorbed A and absorbed B Surface reaction between A in the gas phase and absorbed B Surface reaction between absorbed A and B in the gas phase Absorption of A Surface reaction between absorbed A and absorbed B Surface reaction between A in the gas phase and absorbed B Surface reaction between absorbed A and B in the gas phase Absorption of A ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following factors control the deactivation of a porous catalyst pellet? Decay reactions Pore diffusion All of these Form of surface attack by poison Decay reactions Pore diffusion All of these Form of surface attack by poison ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With the same reaction time, initial concentration and feed rate, the reaction 2A → B is carried out separately in CSTR and P.F. reactor of equal volumes. The conversion will be Data insufficient; can't be predicted Same in both the reactors Higher in P.F. reactor Higher in CSTR Data insufficient; can't be predicted Same in both the reactors Higher in P.F. reactor Higher in CSTR ANSWER DOWNLOAD EXAMIANS APP
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