Chemical Reaction Engineering If the time required to change the concentration of reactant to half its original value is independent of the initial concentration, the order of reaction is Two Zero One Three Two Zero One Three 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 increased 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 reduced Catalyst size is increased or the catalyst diffusivity is increased 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 reduced ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The ratio of volume of mixed reactor to the volume of P.F.R. (for identical flow rate, feed composition and conversion) for zero order reaction is > 1 ∞ 1 > 1 ∞ 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Space velocity All of these Is the maximum feed rate pre unit volume of reactor for a given conversion Is a measure of the ease of the reaction Describes the extensive operating characteristics of a tubular flow reactor All of these Is the maximum feed rate pre unit volume of reactor for a given conversion Is a measure of the ease of the reaction Describes the extensive operating characteristics of a tubular flow reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of calcination of limestone, CaCO₃ CaO + CO₂, the addition of more of CaO will result in __________ in the concentration of CO₂. Increase Unpredictable from the data Decrease No change Increase Unpredictable from the data Decrease No change ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When the density of the reaction mixture is constant in a chemical reaction, the ratio of the mean residence time to space time is 1 < 1 > 1 1 < 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
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