Chemical Reaction Engineering A catalyst loses its activity due to Loss in surface area of the active component Covering of the catalytic active sites by a foregin substance Agglomeration of metal particles caused by thermal sintering of the solid surface All of these Loss in surface area of the active component Covering of the catalytic active sites by a foregin substance Agglomeration of metal particles caused by thermal sintering of the solid surface All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering From among the following, choose one which is not an exothermic process. Methanol synthesis Ammonia synthesis Catalytic cracking Oxidation of sulphur Methanol synthesis Ammonia synthesis Catalytic cracking Oxidation of sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reaction A → B is conducted in an isothermal batch reactor. If the conversion of A increases linearly with holding time, then the order of the reaction is 1 2 1.5 0 1 2 1.5 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Rate determining step in a reaction consisting of a number of steps in series is the __________ step. Intermediate Data insufficient; can't be predicted Fastest Slowest Intermediate Data insufficient; can't be predicted Fastest Slowest ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is a characteristic of an ideal plug flow reactor? Axial dispersion None of these Flat velocity profile Uniform mixing Axial dispersion None of these Flat velocity profile Uniform mixing ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reactions with low activation energy are Non-spontaneous Slow Fast Always spantaneous Non-spontaneous Slow Fast Always spantaneous ANSWER DOWNLOAD EXAMIANS APP
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