Chemical Reaction Engineering A rise in temperature Does not affect a catalysed reaction Does not affect photo-chemical reaction rates All of these Normally tends to increase the reaction rate Does not affect a catalysed reaction Does not affect photo-chemical reaction rates All of these Normally tends to increase the reaction rate ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Pick out the wrong statement pertaining to space velocity of flow reactors. None of these The unit of space velocity is (time)⁻¹ 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 None of these The unit of space velocity is (time)⁻¹ 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 Reaction External mass transfer None of these Diffusion within the pellet Reaction External mass transfer None of these Diffusion within the pellet ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Fractional conversion __________ with increase in pressure for ammonia synthesis reaction i.e., N₂ + 3H₂ ⇋ 2NH₃. Unpredictable from the data Decreases Remains unchanged Increases Unpredictable from the data Decreases Remains unchanged Increases 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. Third First Second Zero Third First Second Zero ANSWER DOWNLOAD EXAMIANS APP
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