Chemical Reaction Engineering In autocatalytic reactions, No catalyst is used One of the products acts as a catalyst Catalysts have very high selectivity One of the reactants acts as a catalyst No catalyst is used One of the products acts as a catalyst Catalysts have very high selectivity One of the reactants acts as a catalyst ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Fractional conversion __________ with increase in pressure for ammonia synthesis reaction i.e., N₂ + 3H₂ ⇋ 2NH₃. Unpredictable from the data Increases Decreases Remains unchanged Unpredictable from the data Increases Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Fluid flow in a real packed bed can be approximated as __________ model. Dispersion Mixed flow Tank in series Plug flow Dispersion Mixed flow Tank in series Plug flow ANSWER DOWNLOAD EXAMIANS APP
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 Pure A in gas phase enters a reactor 50% of this A is converted to B through the reaction, A 3B. Mole fraction of A in the exit stream is 43833 43832 43835 43834 43833 43832 43835 43834 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of a gas phase reaction is given by K . CA . CB. If the volume of the reaction vessel is reduced to l/4th of its initial volume, then the reaction rate compared to the original rate will be __________ times. 8 4 16 2 8 4 16 2 ANSWER DOWNLOAD EXAMIANS APP