Chemical Reaction Engineering Which of the following is not a unit of reaction rate? None of these Moles for med/(surface of catalyst) (time) Moles formed/volume of reactor) (time) Mole formed/volume of catalyst) (time) None of these Moles for med/(surface of catalyst) (time) Moles formed/volume of reactor) (time) Mole formed/volume of catalyst) (time) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the catalyst pore size is small in comparison with the mean free path, collisions with the pore wall controls the process'. The diffusivity under this condition is called 'Knudsen diffusivity', which is affected by the Neither A nor B Pressure Temperature Both A & B Neither A nor B Pressure Temperature Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Pick out the wrong statement pertaining to space velocity of flow reactors. None of these The space velocity of 3 hr⁻¹ means that one third reactor volume of feed at specified conditions are being fed into the reactor The unit of space velocity is (time)⁻¹ The space velocity of 3 hr⁻¹ means that three reactor volumes of feed at specified conditions are being fed into the reactor every hour None of these The space velocity of 3 hr⁻¹ means that one third reactor volume of feed at specified conditions are being fed into the reactor The unit of space velocity is (time)⁻¹ The space velocity of 3 hr⁻¹ means that three reactor volumes of feed at specified conditions are being fed into the reactor every hour ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Catalyst is a substance, which __________ chemical reaction. Decreases the speed of a Can either increase or decrease the speed of a Increases the speed of a Alters the value of equilibrium constant in a reversible Decreases the speed of a Can either increase or decrease the speed of a Increases the speed of a Alters the value of equilibrium constant in a reversible ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of a gas phase reaction is given by K . CA . CB. If the volume of the reaction vessel is reduced to l/4th of its initial volume, then the reaction rate compared to the original rate will be __________ times. 8 4 2 16 8 4 2 16 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Integral method for analysing the kinetic data is used When the data are scattered None of these For testing specific mechanisms with simple rate expressions Both A and B When the data are scattered None of these For testing specific mechanisms with simple rate expressions Both A and B ANSWER DOWNLOAD EXAMIANS APP
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