Chemical Reaction Engineering A batch reactor is Least expensive to operate for a given rate Suitable for liquid phase reactions involving small production rate Most suitable for very large production rate Suitable for gas-phase reactions on commercial scale Least expensive to operate for a given rate Suitable for liquid phase reactions involving small production rate Most suitable for very large production rate Suitable for gas-phase reactions on commercial scale ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Fractional conversion __________ for an exothermic reversible chemical reaction, when the temperature is maximum. Unpredictable from the data Increases Decreases Remains unchanged Unpredictable from the data Increases Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Transition state theory relates the above quantities as K ∝ T.eE/RT K ∝ e-E/RT K ∝ √T K ∝ T1.5 K ∝ T.eE/RT K ∝ e-E/RT K ∝ √T K ∝ T1.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Mean residence time is equal to the space time, when All of these There is no change in number of moles in gaseous reaction The feed rate is measured at temperature and pressure in the reactor The temperature, pressure and the density of reaction mixture remains constant throughout the reactor All of these There is no change in number of moles in gaseous reaction The feed rate is measured at temperature and pressure in the reactor The temperature, pressure and the density of reaction mixture remains constant throughout the reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For an isothermal second order aqueous phase reaction, A → B, the ratio of the time required for 90% conversion to the time required for 45% conversion is 2 22 4 11 2 22 4 11 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of a __________ reactor, the composition in the reactor and at the exit of the reactor is the same. Back-mix Tubular Semi-batch Batch Back-mix Tubular Semi-batch Batch ANSWER DOWNLOAD EXAMIANS APP