Chemical Reaction Engineering According to Arhenious equation of temperature dependency of rate constant for an elementary reaction K ∝ √T None of these K ∝ e-E/RT K ∝ T e-E/RT K ∝ √T None of these K ∝ e-E/RT K ∝ T e-E/RT ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The role of a catalyst in a chemical reaction is to change the Heat of reaction Activation energy Equilibrium constant Final products Heat of reaction Activation energy Equilibrium constant Final products ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If pore diffusion is the controlling step in a solid catalysed reaction, the catalyst Porosity is very important None of these Internal surface area is utilised efficiently Porosity is of less importance Porosity is very important None of these Internal surface area is utilised efficiently Porosity is of less importance 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 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 Catalyst size is increased or the catalyst diffusivity is reduced Catalyst size is reduced or the catalyst diffusivity is increased ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Half life period of a chemical reaction is None of these The time required to reduce the concentration of the reacting substance to half its initial value Half of the space time of a reaction Half of the residence time of a reaction None of these The time required to reduce the concentration of the reacting substance to half its initial value Half of the space time of a reaction Half of the residence time of a reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a gaseous phase reaction, rate of reaction is equal to K. CA . CB. If the volume of the reactor is suddenly reduced to l/4th of its initial volume, then the rate of reaction compared to the original rate will be __________ times. 16 8 43838 43846 16 8 43838 43846 ANSWER DOWNLOAD EXAMIANS APP
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