Chemical Reaction Engineering In Langmuir treatment of adsorption, Whole surface of the catalyst is essentially uniform and the adsorbed molecule has no effect on the rate of adsorption per site Whole surface of the catalyst does not have the same activity for adsorption and there is attraction between the adsorbed molecule Extent of adsorption is more than one complete monomolecular layer on the surface All the adsorption does not take place by the same mechanism Whole surface of the catalyst is essentially uniform and the adsorbed molecule has no effect on the rate of adsorption per site Whole surface of the catalyst does not have the same activity for adsorption and there is attraction between the adsorbed molecule Extent of adsorption is more than one complete monomolecular layer on the surface All the adsorption does not take place by the same mechanism ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Velocity of a chemical reaction Decreases with increase of reactant concentration None of these Increases with increase of pressure of reactants for all reactions Decreases with increase in temperature Decreases with increase of reactant concentration None of these Increases with increase of pressure of reactants for all reactions Decreases with increase in temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The 'E' curve for a non-ideal reactor defines the fraction of fluid having age between t and t + dt Averaged over the inlet and outlet At the inlet In the reactor At the outlet Averaged over the inlet and outlet At the inlet In the reactor At the outlet ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Oil is hydrogenated using nickel catalyst in a __________ reactor. Fixed bed Fluidised bed Batch Slurry Fixed bed Fluidised bed Batch Slurry ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The equilibrium constant of chemical reaction __________ in the presence of catalyst. Decreases Increases Can either increase or decrease (depends on the type of catalyst) Remains unaffected Decreases Increases Can either increase or decrease (depends on the type of catalyst) Remains unaffected ANSWER DOWNLOAD EXAMIANS APP
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
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