Chemical Reaction Engineering The rate of reaction of a/an __________ reaction is not affected by temperature rise. Consecutive Photochemical Zero order Autocatalytic Consecutive Photochemical Zero order Autocatalytic ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Arhenious equation shows the variation of __________ with temperature. Reaction rate Frequency factor Rate constant Energy of activation Reaction rate Frequency factor Rate constant Energy of activation ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A batch reactor suffers from following disadvantage. High shutdown time requirement for emptying, cleaning and refilling Poor product quality control High labour and handling cost All of these High shutdown time requirement for emptying, cleaning and refilling Poor product quality control High labour and handling cost All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Pick the WRONG design guideline for a reactor in which the reactions, A → R (desired) and A → S (undesired) are to take place. The ratio of the reaction rates is rR/rS = (k₁/k₂).Csub>Aa-b Use batch reactor or plug flow reactor, when a > b Use CSTR with a high conversion, when a > b Use high pressure and eliminate inerts, when a > b Avoid recycle, when a > b Use batch reactor or plug flow reactor, when a > b Use CSTR with a high conversion, when a > b Use high pressure and eliminate inerts, when a > b Avoid recycle, when a > b 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 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 Surface reaction between absorbed A and B in the gas phase ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is an autocatalytic reaction? Photochemical reactions Enzyme fermentation reaction Ammonia synthesis reaction Microbial fermentation reaction Photochemical reactions Enzyme fermentation reaction Ammonia synthesis reaction Microbial fermentation reaction ANSWER DOWNLOAD EXAMIANS APP