Chemical Reaction Engineering If Thiele modulus is __________ , then the pore diffusion resistance in a catalyst may be considered as negligible. ∞ > 0.5 0 < 0.5 ∞ > 0.5 0 < 0.5 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 Dead zone Ideal plug flow Chanelling Bypass Dead zone Ideal plug flow Chanelling Bypass ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For identical flow rate and feed composition, X plug flow reactors (PER) in series with a total volume V gives the same conversion as single PFR of volume V/X CSTR of volume V/X CSTR of volume V PFR of volume V PFR of volume V/X CSTR of volume V/X CSTR of volume V PFR of volume V ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Semibatch reactor is preferred, when a/an A gas is to be reacted with liquid (e.g. hydrogenation of fat) All of these A highly exothermic reaction is to be controlled Undersirable side reaction (at high concentration of one of the reactants) is to be avoided A gas is to be reacted with liquid (e.g. hydrogenation of fat) All of these A highly exothermic reaction is to be controlled Undersirable side reaction (at high concentration of one of the reactants) is to be avoided ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When an exothermic reversible reaction is conducted adiabatically, the rate of reaction Passes through a maximum Continuously increases Passes through a minimum Continuously decreases Passes through a maximum Continuously increases Passes through a minimum Continuously decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering What is the unit of the rate constant in a chemical reaction in which 10% of the reactant decomposes in one hour, 20% in two hours, 30% in three hours and so on? Litre/mole Litre/second Litre/mole.second Moles/litre.second Litre/mole Litre/second Litre/mole.second Moles/litre.second ANSWER DOWNLOAD EXAMIANS APP