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 Diffusion within the pellet Reaction None of these External mass transfer Diffusion within the pellet Reaction None of these External mass transfer ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The time needed to achieve the same fractional conversion for particles of different sizes (d) when chemical reaction controls, is proportional to D1.5 √d D D2 D1.5 √d D D2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The conversion for a first order liquid phase reaction. A → B in a CSTR is 50%. If another CSTR of the same volume is connected in series, then the % conversion at the exit of the second reactor will be 90 60 100 75 90 60 100 75 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A balanced chemical reaction equation conforms to the law of Gaseous volumes Conservation of mass None ofthese Avagadro's hypothesis Gaseous volumes Conservation of mass None ofthese Avagadro's hypothesis ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering As the chemical reaction proceeds, the rate of reaction Increases Decreases Remains same May increase or decrease depending on the type of reaction Increases Decreases Remains same May increase or decrease depending on the type of reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Fractional conversion __________ for an exothermic reversible chemical reaction, when the temperature is maximum. Increases Unpredictable from the data Decreases Remains unchanged Increases Unpredictable from the data Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
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