Chemical Reaction Engineering Fractional conversion __________ for an exothermic reversible chemical reaction, when the temperature is maximum. Decreases Increases Remains unchanged Unpredictable from the data Decreases Increases Remains unchanged Unpredictable from the data ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst loses its activity due to All of these Agglomeration of metal particles caused by thermal sintering of the solid surface Covering of the catalytic active sites by a foregin substance Loss in surface area of the active component All of these Agglomeration of metal particles caused by thermal sintering of the solid surface Covering of the catalytic active sites by a foregin substance Loss in surface area of the active component ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The eddy diffusivity for a liquid in plug flow must be 0 Between 0 and 1 1 ∞ 0 Between 0 and 1 1 ∞ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering BET apparatus is used to determine the Specific surface of a porous catalyst Porosity of the catalyst bed Pore size distribution Pore diameter Specific surface of a porous catalyst Porosity of the catalyst bed Pore size distribution Pore diameter ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the non-catalytic reaction of particles with surrounding fluid, the time needed to achieve the same fractional conversion for particles of different but unchanging sizes is proportional to the square of particle diameter, when the __________ is the controlling resistance. Either A, B or C Diffusion through ash layer Film diffusion Chemical reaction Either A, B or C Diffusion through ash layer Film diffusion Chemical reaction 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 √d D D1.5 D2 √d D D1.5 D2 ANSWER DOWNLOAD EXAMIANS APP
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