Chemical Reaction Engineering The time needed to achieve the same fractional conversion for particles of different sizes (d) when chemical reaction controls, is proportional to D1.5 D2 √d D D1.5 D2 √d D ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With the same reaction time, initial concentration and feed rate, the reaction 2A → B is carried out separately in CSTR and P.F. reactor of equal volumes. The conversion will be Higher in CSTR Higher in P.F. reactor Same in both the reactors Data insufficient; can't be predicted Higher in CSTR Higher in P.F. reactor Same in both the reactors Data insufficient; can't be predicted ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When a catalyst increases the rate of forward reaction, the value of rate constant Becomes infinite Remain same Increases Decreases Becomes infinite Remain same Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of a gas phase reaction is given by K . CA . CB. If the volume of the reaction vessel is reduced to l/4th of its initial volume, then the reaction rate compared to the original rate will be __________ times. 4 2 8 16 4 2 8 16 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
Chemical Reaction Engineering The residence time distribution of an ideal CSTR is Exp(-t/τ) 1/τ (-t/τ) 1/τ exp (-t/τ) Τ exp (-t/τ) Exp(-t/τ) 1/τ (-t/τ) 1/τ exp (-t/τ) Τ exp (-t/τ) ANSWER DOWNLOAD EXAMIANS APP
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