Chemical Reaction Engineering Sometimes, batch process is preferred over continuous process, when the product Both A & B Neither A nor B Sales demand is fluctuating Quality & yield can not be achieved in continuous processes, because of long residence time Both A & B Neither A nor B Sales demand is fluctuating Quality & yield can not be achieved in continuous processes, because of long residence time ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Higher free energy of activation of a chemical reaction (at a given temperature) implies Higher rate of reaction Slower rate of reaction Higher equilibrium conversion Both B and C Higher rate of reaction Slower rate of reaction Higher equilibrium conversion Both B and C ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A space time of 3 hours for a flow reactor means that Three reactor volumes of feed can be processed every hour The time required to process one reactor volume of feed (measured at specified conditions) is 3 hours It takes three hours to dump the entire volume of the reactor with feed Conversion is cent per cent after three hours Three reactor volumes of feed can be processed every hour The time required to process one reactor volume of feed (measured at specified conditions) is 3 hours It takes three hours to dump the entire volume of the reactor with feed Conversion is cent per cent after three hours ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following does not produce a change in the value of rate constant of a reaction? Pressure Concentration and catalyst Temperature None of these Pressure Concentration and catalyst Temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering What is the dispersion number for a CSTR? 0 ∞ 1 < 1 0 ∞ 1 < 1 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) 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 ANSWER DOWNLOAD EXAMIANS APP