Chemical Reaction Engineering A trickle bed reactor is the one, which Processes three reactants with same flow rate Processes three reactants at different flow rates Employs all the three phases (i.e.. .solid, liquid and gas) Has altogether three streams either entering or leaving Processes three reactants with same flow rate Processes three reactants at different flow rates Employs all the three phases (i.e.. .solid, liquid and gas) Has altogether three streams either entering or leaving ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst is said to be a negative catalyst, ifit Retards the rate of reaction All of these Does not initiate the reaction Reduces the value of equilibrium constant Retards the rate of reaction All of these Does not initiate the reaction Reduces the value of equilibrium constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which one is the rate controlling step in a solid-gas non-catalytic reaction occurring at very high temperature? Film diffusion Chemical reaction Pore diffusion Ash layer diffusion Film diffusion Chemical reaction Pore diffusion Ash layer diffusion ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A chemical reaction, A → 3B, is conducted in a constant pressure vessel. Starting with pure A, the volume of the reaction mixture increases 3 times in 6 minutes. The fractional conversion is 0.33 1 0.5 Data insufficient, can't be predicted 0.33 1 0.5 Data insufficient, can't be predicted ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The value of steric factor 'P' in the equation k = PZeE/RT usually ranges from 0.1 to 0.9 L.0 to 10⁻⁸ L.l.to 10² None of these 0.1 to 0.9 L.0 to 10⁻⁸ L.l.to 10² None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a first order isothermal chemical reaction in a porous catalyst, the effectiveness factor is 0.3. The effectiveness factor will increase if the Catalyst size is increased or the catalyst diffusivity is reduced Catalyst size is reduced or the catalyst diffusivity is increased Catalyst size is reduced or the catalyst diffusivity is reduced Catalyst size is increased or the catalyst diffusivity is increased Catalyst size is increased or the catalyst diffusivity is reduced Catalyst size is reduced or the catalyst diffusivity is increased Catalyst size is reduced or the catalyst diffusivity is reduced Catalyst size is increased or the catalyst diffusivity is increased ANSWER DOWNLOAD EXAMIANS APP
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