Chemical Reaction Engineering For multiple reactions, the flow pattern within the vessel affects the Neither A nor B Distribution of reaction products Size requirement Both A and B Neither A nor B Distribution of reaction products Size requirement Both A and B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For an ideal mixed flow reactor (CSTR), the exit age distribution E(t) is given by None of these A dirac delta function A step function A ramp function None of these A dirac delta function A step function A ramp function ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate expression for a heterogenous catalytic reaction is given by, - rA = K.KA PA(1 + KA.PA + Kr.PR), where K is surface reaction rate constant and KA and KR are absorption equilibrium constants of A and R respectively. If KR PR >> (1 + KA PA), the apparent activation energy EA is equal to (given E is the activation energy for the reaction and ΔHR and ΔHA are the activation energies of adsorption of R and A) E E + ΔHA - ΔHR ΔHA + ΔHR E + ΔHA E E + ΔHA - ΔHR ΔHA + ΔHR E + ΔHA ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst inhibitor Lessens its selectivity Is added in small quantity during the catalyst manufacture itself May be useful for suppressing undesirable side reactions All of these Lessens its selectivity Is added in small quantity during the catalyst manufacture itself May be useful for suppressing undesirable side reactions All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Catalyst is a substance, which __________ chemical reaction. Decreases the speed of a Increases the speed of a Alters the value of equilibrium constant in a reversible Can either increase or decrease the speed of a Decreases the speed of a Increases the speed of a Alters the value of equilibrium constant in a reversible Can either increase or decrease the speed of a ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the rate of a chemical reaction becomes slower at a given temperature, then the Entropy changes Initial concentration of the reactants remains constant Free energy of activation is higher Free energy of activation is lower Entropy changes Initial concentration of the reactants remains constant Free energy of activation is higher Free energy of activation is lower ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS