Chemical Reaction Engineering Which one is the rate controlling step in a solid-gas non-catalytic reaction occurring at very high temperature? Chemical reaction Film diffusion Pore diffusion Ash layer diffusion Chemical reaction Film diffusion Pore diffusion Ash layer diffusion ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a continuous flow stirred tank reactor, the composition of the exit stream Is different than that in the reactor Is same as that in the reactor None of these Depends upon the flow rate of inlet stream Is different than that in the reactor Is same as that in the reactor None of these Depends upon the flow rate of inlet stream ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of the reaction, X → Y, quadruples when the concentration of 'X' is doubled. The rate expression for the reaction is, r = K Cxn, the value of 'n' in this case will be 1 3 2 1 3 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering 'Unreacted core model' represents the reaction involving Roasting of sulphide ores Combustion of coal particles Manufacture of carbon disulphide from elements None of these Roasting of sulphide ores Combustion of coal particles Manufacture of carbon disulphide from elements None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Slurry reactors are characterised by the Both A and B Neither A nor B Presence of two mobile phases Lack of intraparticle diffusion resistance Both A and B Neither A nor B Presence of two mobile phases Lack of intraparticle diffusion resistance ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering At a given value of E/R (ratio of activation energy and gas constant), the ratio of the rate constants at 500°K and 400°K is 2, if Arrhenious law is used. What will be this ratio, if transition state theory is used with the same value of E/R? 2 2.5 1.6 2.24 2 2.5 1.6 2.24 ANSWER DOWNLOAD EXAMIANS APP
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