Chemical Reaction Engineering Fluid flow in a real packed bed can be approximated as __________ model. Dispersion Tank in series Plug flow Mixed flow Dispersion Tank in series Plug flow Mixed flow ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With increase in the order of reaction (for all positive reaction orders), the ratio of the volume of mixed reactor to the volume of plug flow reactor (for identical feed composition, flow rate and conversion) Decreases Increases Remains same Increases linearly Decreases Increases Remains same Increases linearly ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In the fluid catalytic cracker (FCC), the cracking reaction is __________ (i) and the regeneration is ____________ (ii) (i) exothermic (ii) endothermic (i) exothermic (ii) exothermic (i) endothermic (ii) enodthermic (i) endothermic (ii) exothermic (i) exothermic (ii) endothermic (i) exothermic (ii) exothermic (i) endothermic (ii) enodthermic (i) endothermic (ii) exothermic ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Most important characteristics of gas-liquid reactors are the Both A and B None of these Liquid hold-up Specific inter-facial area Both A and B None of these Liquid hold-up Specific inter-facial area ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate constant of a chemical reaction decreases by decreasing the Pressure Concentration of reactants Duration of reaction Temperature Pressure Concentration of reactants Duration of reaction Temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following resistances is not involved in a gas phase catalytic (gas- solid) reaction? Gas film and pore surface diffusion resistances for reactants Gas film and pore surface diffusion resistances for products Surface phenomenon resistance Ash resistance Gas film and pore surface diffusion resistances for reactants Gas film and pore surface diffusion resistances for products Surface phenomenon resistance Ash resistance ANSWER DOWNLOAD EXAMIANS APP
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