Chemical Reaction Engineering A catalyst loses its activity due to All of these Agglomeration of metal particles caused by thermal sintering of the solid surface Loss in surface area of the active component Covering of the catalytic active sites by a foregin substance All of these Agglomeration of metal particles caused by thermal sintering of the solid surface Loss in surface area of the active component Covering of the catalytic active sites by a foregin substance ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a CSTR __________ varies with time. Concentration Reaction rate Both A & B Neither A nor B Concentration Reaction rate Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Inversion of cane sugar is an example of Unimolecular reaction with first order Bimolecular reaction with second order Bimolecular reaction with first order Unimolecular reaction with second order Unimolecular reaction with first order Bimolecular reaction with second order Bimolecular reaction with first order Unimolecular reaction with second order 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 2.67 1.33 0.80 1.60 2.67 1.33 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following will give maximum gas conversion? Fixed bed reactor Fluidised bed reactor Plug-flow catalytic reactor Semi-fluidised bed reactor Fixed bed reactor Fluidised bed reactor Plug-flow catalytic reactor Semi-fluidised bed reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Most important characteristics of gas-liquid reactors are the Liquid hold-up Both A and B Specific inter-facial area None of these Liquid hold-up Both A and B Specific inter-facial area None of these ANSWER DOWNLOAD EXAMIANS APP
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