Chemical Reaction Engineering When a catalyst increases the rate of chemical reaction, the rate constant Becomes infinite Decreases Remains constant Increases Becomes infinite Decreases Remains constant Increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An isothermal aqueous phase reversible reaction, P ⇋ R, is to be carried out in a mixed flow reactor. The reaction rate in k.mole/m³ .h is given by, r = 0.5CP - 0.125CR. A stream containing only P enters the 0.80 1.60 1.33 2.67 0.80 1.60 1.33 2.67 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A batch reactor suffers from following disadvantage. High shutdown time requirement for emptying, cleaning and refilling High labour and handling cost Poor product quality control All of these High shutdown time requirement for emptying, cleaning and refilling High labour and handling cost Poor product quality control 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 CSTR with a high conversion, when a > b Use batch reactor or plug flow reactor, when a > b Avoid recycle, when a > b Use high pressure and eliminate inerts, when a > b Use CSTR with a high conversion, when a > b Use batch reactor or plug flow reactor, when a > b Avoid recycle, when a > b Use high pressure and eliminate inerts, when a > b ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Integral method for analysing the kinetic data is used Both A and B When the data are scattered None of these For testing specific mechanisms with simple rate expressions Both A and B When the data are scattered None of these For testing specific mechanisms with simple rate expressions ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With increase in temperature, the equilibrium conversion of a reversible exothermic reaction Decreases Increases Remains unaffected Decreases linearily with temperature Decreases Increases Remains unaffected Decreases linearily with temperature ANSWER DOWNLOAD EXAMIANS APP
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