Chemical Reaction Engineering When the reaction is dominated by in-traparticle diffusion, the apparent order of reaction (nD) as measured is related to the true order (n) as ND = (n + 1)/2 ND = n + 1 None of these ND = n/2 ND = (n + 1)/2 ND = n + 1 None of these ND = n/2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The conversion in a mixed reactor/accomplishing a reaction A 3R is 50% when gaseous reactant 'A' is introduced at the rate of 1 litre/second and the leaving flow rate is 2 litres/second. The holding time for this operation is __________ second. 3 0.5 2 1 3 0.5 2 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Backmixing is most predominant in CSTR's connected in series A well stirred batch reactor A single CSTR A plug-flow reactor CSTR's connected in series A well stirred batch reactor A single CSTR A plug-flow reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst loses its activity due to Agglomeration of metal particles caused by thermal sintering of the solid surface All of these Covering of the catalytic active sites by a foregin substance Loss in surface area of the active component Agglomeration of metal particles caused by thermal sintering of the solid surface All of these Covering of the catalytic active sites by a foregin substance Loss in surface area of the active component ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering To maximise the formation of R in the simultaneous reactionA + B → R , rR = 2CA0.5.CB2 A + B → S , rS = 1.5 CA . CB We should have Low CA, high CB High CA, high CB Low CA, low CB High CA, low CB Low CA, high CB High CA, high CB Low CA, low CB High CA, low CB ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When the density of the reaction mixture is constant in a chemical reaction, the ratio of the mean residence time to space time is < 1 1 > 1 < 1 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
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