Chemical Reaction Engineering A chemical reaction is of zero order, when the reaction rate is (where, CA = concentration of reactant) None of these ∝ CA ∝ 1/CA Independent of temperature None of these ∝ CA ∝ 1/CA Independent of temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Exothermic reactions are best carried out in CSTR followed by a plug flow reactor A plug flow reactor followed by CSTR A CSTR CSTR in series CSTR followed by a plug flow reactor A plug flow reactor followed by CSTR A CSTR CSTR in series ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reason why a catalyst increases the rate of reaction is that, it None of these Decreases the molecular collision diameter Decreases the energy barrier for reaction Increases the activation energy None of these Decreases the molecular collision diameter Decreases the energy barrier for reaction Increases the activation energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An irreversible aqueous phase reaction, A + B → P, is carried out in an adiabatic mixed flow reactor. A feed containing 4kmole/m³ of each A and B enters the reactor at 8m³ /hr. If the temperature of the exit stream is never to exceed 390 K, what is the maximum inlet feed temperature allowed?(Data: Heat of reaction = - 50 kJ/mole, Density of the reacting mixture = 1000kg/m³, Specific heat of reacting mixture = 2kJ/kg.K)The above data can be assumed to be independent of temperature and composition. 190 390 490 290 190 390 490 290 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a zero order reaction, the concentration of product increases with the Increase of reaction time Decrease in total pressure Total pressure Increase in initial concentration Increase of reaction time Decrease in total pressure Total pressure Increase in initial concentration ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If pore diffusion is the controlling step in a solid catalysed reaction, the catalyst Internal surface area is utilised efficiently 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 ANSWER DOWNLOAD EXAMIANS APP
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