Chemical Reaction Engineering The half life period of a first order reaction is Half the specific rate constant Proportional to the initial concentration of reactants Dependent on initial concentration of the reactants Always the same irrespective of the reaction Half the specific rate constant Proportional to the initial concentration of reactants Dependent on initial concentration of the reactants Always the same irrespective of the reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The conversion in a mixed reactor/accomplishing a reaction A 3R is 50% when gaseous reactant 'A' is introduced at the rate of 1 litre/second and the leaving flow rate is 2 litres/second. The holding time for this operation is __________ second. 3 0.5 1 2 3 0.5 1 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The value of steric factor 'P' in the equation k = PZeE/RT usually ranges from L.l.to 10² L.0 to 10⁻⁸ 0.1 to 0.9 None of these L.l.to 10² L.0 to 10⁻⁸ 0.1 to 0.9 None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a reversible reaction, a catalyst increases the rate of forward reaction Only And decreases that of the backward reaction To a greater extent than that of the backward reaction And the backward reaction equally Only And decreases that of the backward reaction To a greater extent than that of the backward reaction And the backward reaction equally ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the catalyst pore size is small in comparison with the mean free path, collisions with the pore wall controls the process'. The diffusivity under this condition is called 'Knudsen diffusivity', which is affected by the Both A & B Temperature Pressure Neither A nor B Both A & B Temperature Pressure Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In an ideal mixed reactor (at steady state), the Composition throughout the reactor remains same Exit stream has the same composition as the fluid within the reactor Space time is equivalent to holding time for constant density systems All of these Composition throughout the reactor remains same Exit stream has the same composition as the fluid within the reactor Space time is equivalent to holding time for constant density systems All of these ANSWER DOWNLOAD EXAMIANS APP
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