Chemical Reaction Engineering N' plug flow reactors in series with a total volume 'V' gives the same conversion as a single plug flow reactor of volume 'V' for __________ order reactions. Any Second Third First Any Second Third First ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The increase in the rate of reaction with temperature is due to Increase in the average kinetic energy of the reacting molecules None of these Increase in the number of effective collisions Decrease in activation energy Increase in the average kinetic energy of the reacting molecules None of these Increase in the number of effective collisions Decrease in activation energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which one is the rate controlling step in a solid-gas non-catalytic reaction occurring at very high temperature? Pore diffusion Chemical reaction Film diffusion Ash layer diffusion Pore diffusion Chemical reaction Film diffusion Ash layer diffusion ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The minimum energy required to allow a chemical reaction to proceed is termed as the 'threshold energy '. Chemical reaction with low activation energy are Highly temperature sensitive Insensitive to temperature changes Always irreversible Mostly irreversible Highly temperature sensitive Insensitive to temperature changes Always irreversible Mostly irreversible ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Semibatch reactor is preferred, when a/an A gas is to be reacted with liquid (e.g. hydrogenation of fat) All of these A highly exothermic reaction is to be controlled Undersirable side reaction (at high concentration of one of the reactants) is to be avoided A gas is to be reacted with liquid (e.g. hydrogenation of fat) All of these A highly exothermic reaction is to be controlled Undersirable side reaction (at high concentration of one of the reactants) is to be avoided ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering What is the unit of the rate constant in a chemical reaction in which 10% of the reactant decomposes in one hour, 20% in two hours, 30% in three hours and so on? Litre/second Moles/litre.second Litre/mole Litre/mole.second Litre/second Moles/litre.second Litre/mole Litre/mole.second ANSWER DOWNLOAD EXAMIANS APP
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