Chemical Reaction Engineering A chemical reaction is of zero order, when the reaction rate is (where, CA = concentration of reactant) Independent of temperature ∝ CA None of these ∝ 1/CA Independent of temperature ∝ CA None of these ∝ 1/CA ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of the irreversible unimolecular type, first order reaction, the fractional conversion at any time for constant volume system as compared to variable volume system is Either A or B, depends on other factors More Same Less Either A or B, depends on other factors More Same Less ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Fluid flow in a real packed bed can be approximated as __________ model. Plug flow Mixed flow Dispersion Tank in series Plug flow Mixed flow Dispersion Tank in series ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is the most suitable for isothermal operation? Plug-flow reactor Back-mix reactor Fixed bed reactor Batch reactor Plug-flow reactor Back-mix reactor Fixed bed reactor Batch reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Specific rate constant for a second order reaction Both B and C Is independent of temperature Depends on the nature of the reactants Varies with temperature Both B and C Is independent of temperature Depends on the nature of the reactants Varies with temperature 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) Increases Increases linearly Remains same Decreases Increases Increases linearly Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP