Chemical Reaction Engineering The most suitable reactor for carrying out an auto-thermal reaction is a CSTR Batch reactor Plug-flow reactor Semi-batch reactor CSTR Batch reactor Plug-flow reactor Semi-batch reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering __________ catalytic reaction is involved in the thermal cracking of gas oil. Heterogeneous Homogeneous Homogeneous non Heterogeneous non Heterogeneous Homogeneous Homogeneous non Heterogeneous non ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is a controlling factor in very fast heterogeneous reaction? Composition of reactant Pressure Temperature Heat and mass transfer effects Composition of reactant Pressure Temperature Heat and mass transfer effects 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 Surface reaction between A in the gas phase and absorbed B Surface reaction between absorbed A and absorbed B Absorption of A Surface reaction between absorbed A and B in the gas phase Surface reaction between A in the gas phase and absorbed B Surface reaction between absorbed A and absorbed B Absorption of A ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the pore diffusion controls in a catalytic reaction, the apparent activation energy Ea is equal to (E + ED) where ED is activation due to diffusion ED/2 The intrinsic activation energy E (E + ED)/2 (E + ED) where ED is activation due to diffusion ED/2 The intrinsic activation energy E (E + ED)/2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The equilibrium constant of chemical reaction __________ in the presence of catalyst. Remains unaffected Decreases Increases Can either increase or decrease (depends on the type of catalyst) Remains unaffected Decreases Increases Can either increase or decrease (depends on the type of catalyst) ANSWER DOWNLOAD EXAMIANS APP
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