Chemical Reaction Engineering For the same residence time, which one will give the maximum conversion? Stirred tank followed by tubular flow reactor (each of 2.5 litres) Single stirred tank (v = 5 litres) Two stirred tank (each of 2.5 litres) in series Single tubular flow reactor (v = 5 litres) Stirred tank followed by tubular flow reactor (each of 2.5 litres) Single stirred tank (v = 5 litres) Two stirred tank (each of 2.5 litres) in series Single tubular flow reactor (v = 5 litres) 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 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 Surface reaction between absorbed A and absorbed B Surface reaction between A in the gas phase and absorbed B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A liquid decomposes by irreversible first order kinetics and the half life period of this reaction is 8 minutes. The time required for 75% conversion of the liquid will be __________ minutes. 16 8 4 12 16 8 4 12 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The half life period of a first order reaction is Half the specific rate constant Dependent on initial concentration of the reactants Proportional to the initial concentration of reactants Always the same irrespective of the reaction Half the specific rate constant Dependent on initial concentration of the reactants Proportional to the initial concentration of reactants Always the same irrespective of the reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Conversion increases with increase in temperature in case of a an __________ reaction. Autocatalytic Irreversible Reversible endothermic Reversible exothermic Autocatalytic Irreversible Reversible endothermic Reversible exothermic ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A batch reactor is suitable for Large scale gaseous phase reactions Achieving cent percent conversion of reactants into products Liquid phase reactions Obtaining uniform polymerisation products in highly exothermic reactions Large scale gaseous phase reactions Achieving cent percent conversion of reactants into products Liquid phase reactions Obtaining uniform polymerisation products in highly exothermic reactions ANSWER DOWNLOAD EXAMIANS APP