Chemical Reaction Engineering Helium-mercury method is used for the measurement of the __________ of the catalyst. Surface area Porosity Pore volume Both B & C Surface area Porosity Pore volume Both B & C ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The vessel dispersion number (D/μL) for plug flow is 750 ∞ 500 750 ∞ 500 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When the density of the reaction mixture is constant in a chemical reaction, the ratio of the mean residence time to space time is > 1 < 1 1 > 1 < 1 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Fractional conversion __________ for an exothermic reversible chemical reaction, when the temperature is maximum. Decreases Unpredictable from the data Increases Remains unchanged Decreases Unpredictable from the data Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Photochemical reaction rate does not depend significantly on temperature, because It is an exothermic reaction The energy of reacting molecules exceeds the activation energy by absorption of light It is a reversible reaction None of these It is an exothermic reaction The energy of reacting molecules exceeds the activation energy by absorption of light It is a reversible reaction None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Sometimes, batch process is preferred over continuous process, when the product Sales demand is fluctuating Neither A nor B Quality & yield can not be achieved in continuous processes, because of long residence time Both A & B Sales demand is fluctuating Neither A nor B Quality & yield can not be achieved in continuous processes, because of long residence time Both A & B ANSWER DOWNLOAD EXAMIANS APP
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