Chemical Reaction Engineering When the reaction is dominated by in-traparticle diffusion, the apparent order of reaction (nD) as measured is related to the true order (n) as ND = n/2 ND = (n + 1)/2 ND = n + 1 None of these ND = n/2 ND = (n + 1)/2 ND = n + 1 None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A Catalyst None of these Shortens the time to reach the equilibrium Increases the equilibrium concentration of the product Changes the equilibrium constant of the reaction None of these Shortens the time to reach the equilibrium Increases the equilibrium concentration of the product Changes the equilibrium constant of the reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The half life period of a first order reaction is Dependent on initial concentration of the reactants Half the specific rate constant Proportional to the initial concentration of reactants Always the same irrespective of the reaction Dependent on initial concentration of the reactants Half the specific rate constant Proportional to the initial concentration of reactants Always the same irrespective of the reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A first order reaction requires two equal sized CSTR. The conversion is Same whether they are connected in series or in parallel Less when they are connected in series More when they are connected in parallel More when they are connected in series Same whether they are connected in series or in parallel Less when they are connected in series More when they are connected in parallel More when they are connected in series ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Pick out the wrong statement pertaining to space velocity of flow reactors. The space velocity of 3 hr⁻¹ means that one third reactor volume of feed at specified conditions are being fed into the reactor None of these The unit of space velocity is (time)⁻¹ The space velocity of 3 hr⁻¹ means that three reactor volumes of feed at specified conditions are being fed into the reactor every hour The space velocity of 3 hr⁻¹ means that one third reactor volume of feed at specified conditions are being fed into the reactor None of these The unit of space velocity is (time)⁻¹ The space velocity of 3 hr⁻¹ means that three reactor volumes of feed at specified conditions are being fed into the reactor every hour ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Catalyst carriers Inhibit catalyst poisoning Increase the activity of a catalyst Have very high selectivity Provide large surface area with a small amount of active material Inhibit catalyst poisoning Increase the activity of a catalyst Have very high selectivity Provide large surface area with a small amount of active material ANSWER DOWNLOAD EXAMIANS APP
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