Chemical Reaction Engineering For a first order reaction carried out in a plug flow reactor, the space time is 1/K In C0/C K In C/C0 K In C0/C 1/K In C/C0 1/K In C0/C K In C/C0 K In C0/C 1/K In C/C0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Kinetics of a catalytic reaction can be best studied on a/an __________ reactor. Either A, B and C Differential (flow) Mixed Integral (plug flow) Either A, B and C Differential (flow) Mixed Integral (plug flow) 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 Absorption of A Surface reaction between A in the gas phase and absorbed B Surface reaction between absorbed A and B in the gas phase Surface reaction between absorbed A and absorbed B Absorption of A Surface reaction between A in the gas phase and absorbed B Surface reaction between absorbed A and B in the gas phase ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of physical adsorption, the heat of adsorption is of the order of __________ kcal/kg.mole. 100 10000 100000 1000 100 10000 100000 1000 ANSWER DOWNLOAD EXAMIANS APP
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 pore diffusion is the controlling step in a solid catalysed reaction, the catalyst Porosity is of less importance None of these Porosity is very important Internal surface area is utilised efficiently Porosity is of less importance None of these Porosity is very important Internal surface area is utilised efficiently ANSWER DOWNLOAD EXAMIANS APP