Chemical Reaction Engineering A rise in temperature Does not affect a catalysed reaction Normally tends to increase the reaction rate Does not affect photo-chemical reaction rates All of these Does not affect a catalysed reaction Normally tends to increase the reaction rate Does not affect photo-chemical reaction rates All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Pick out the wrong statement pertaining to space velocity of flow reactors. The unit of space velocity is (time)⁻¹ None of these The space velocity of 3 hr⁻¹ means that three reactor volumes of feed at specified conditions are being fed into the reactor every hour The space velocity of 3 hr⁻¹ means that one third reactor volume of feed at specified conditions are being fed into the reactor The unit of space velocity is (time)⁻¹ None of these The space velocity of 3 hr⁻¹ means that three reactor volumes of feed at specified conditions are being fed into the reactor every hour The space velocity of 3 hr⁻¹ means that one third reactor volume of feed at specified conditions are being fed into the reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A first order reaction A → B occurs in an isothermal porous catalyst pellet of spherical shape. If the concentration of A at the centre of the pellet is much less than at the external surface, the process is limited by External mass transfer Diffusion within the pellet None of these Reaction External mass transfer Diffusion within the pellet None of these Reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Fractional conversion __________ with increase in pressure for ammonia synthesis reaction i.e., N₂ + 3H₂ ⇋ 2NH₃. Decreases Increases Unpredictable from the data Remains unchanged Decreases Increases Unpredictable from the data Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Half life period of a chemical reaction is proportional to CA0-1 , if the reaction is of __________ order. Zero Second Third First Zero Second Third First ANSWER DOWNLOAD EXAMIANS APP
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