Chemical Reaction Engineering In a reaction, the threshold energy is equal to (where, A = activation energy N = normal energy of reactants) A A-N A+N N A A-N A+N N ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering BET apparatus is used to determine the Specific surface of a porous catalyst Porosity of the catalyst bed Pore diameter Pore size distribution Specific surface of a porous catalyst Porosity of the catalyst bed Pore diameter Pore size distribution ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If a solid-gas non-catalytic reaction occurs at very high temperature, the rate controlling step is the __________ diffusion. None of these Ash layer Film Pore None of these Ash layer Film Pore ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An irreversible first order reaction is being carried out in a CSTR and PFR of same volume. The liquid flow rates are same. The relative conversion will Be more in PFR than in CSTR Be more in CSTR than in PFR Depend on the temperature Be same in both cases Be more in PFR than in CSTR Be more in CSTR than in PFR Depend on the temperature Be same in both cases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a packed bed reactor; the presence of a long tail in the residence time distribution curve is an indication of Chanelling Ideal plug flow Bypass Dead zone Chanelling Ideal plug flow Bypass Dead zone ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The ratio of moles of a reactant converted into the desired product to that converted into unwanted product is called Selectivity Operational yield Relative yield None of these Selectivity Operational yield Relative yield None of these ANSWER DOWNLOAD EXAMIANS APP