Chemical Reaction Engineering Semibatch reactor is preferred, when a/an Undersirable side reaction (at high concentration of one of the reactants) is to be avoided A highly exothermic reaction is to be controlled All of these A gas is to be reacted with liquid (e.g. hydrogenation of fat) Undersirable side reaction (at high concentration of one of the reactants) is to be avoided A highly exothermic reaction is to be controlled All of these A gas is to be reacted with liquid (e.g. hydrogenation of fat) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of a/an __________ chemical reaction, conversion increases with the rise in temperature. Reversible exothermic Irreversible endothermic Reversible endothermic Irreversible exothermic Reversible exothermic Irreversible endothermic Reversible endothermic Irreversible exothermic ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The half life period of a first order reaction is Proportional to the initial concentration of reactants Always the same irrespective of the reaction Half the specific rate constant Dependent on initial concentration of the reactants Proportional to the initial concentration of reactants Always the same irrespective of the reaction Half the specific rate constant Dependent on initial concentration of the reactants ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If pore diffusion is the controlling step in a solid catalysed reaction, the catalyst Porosity is very important None of these Porosity is of less importance Internal surface area is utilised efficiently Porosity is very important None of these Porosity is of less importance Internal surface area is utilised efficiently ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The value of 'n' for a chemical reaction A → B, whose reaction rate is → CAn, will be __________ if the rate of the reaction increases by a factor of 8, when the concentration of is doubled. 1 2 3 1 2 3 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of staged packed bed reactors carrying out exothermic reaction, use Cold shot operations for a dilute solution requiring large preheating to bring the stream upto the reaction temperature All of these High recycle for pure gas Plug flow for dilute liquid requiring no large preheating of feed Cold shot operations for a dilute solution requiring large preheating to bring the stream upto the reaction temperature All of these High recycle for pure gas Plug flow for dilute liquid requiring no large preheating of feed ANSWER DOWNLOAD EXAMIANS APP
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