Chemical Reaction Engineering What is the dispersion number for a plug flow reactor? ? 1 -1 ? 1 -1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering What is the value of 'n' if the reaction rate of the chemical reaction A → B, is proportional to CAn and it is found that the reaction rate triples, when the concentration of 'A' is increased 9 times ? 1/3 1/9 3 1/2 1/3 1/9 3 1/2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When all the limiting reactant is consumed in the reaction, the operational yield __________ the relative yield. Is smaller than Equals Can be either greater or smaller than (depends on the type of reaction) Is greater than Is smaller than Equals Can be either greater or smaller than (depends on the type of reaction) Is greater than ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Rate of a chemical reaction is independent of the concentration of the reactants for a __________ reaction. Third order Zero order Consecutive None of these Third order Zero order Consecutive None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the liquid phase parallel reactions:R, rR = K?.CA2; E? = 80 KJ/moleS, rS = K?.CA ; E? = 120 KJ/mole The desired product is R. A higher selectivity of R will be achieved, if the reaction is conducted at Low temperature in a CSTR High temperature in a CSTR Low temperature in a PFR High temperature in a PFR Low temperature in a CSTR High temperature in a CSTR Low temperature in a PFR High temperature in a PFR ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The effectiveness factor for large value of Thiele modulus (L√(K/D1)) of a solid catalysed first order reaction is equal to (where, L = length of the reactor, cm, D1 = diffusion co-efficient, cm²/second) 1 ∞ L√(K/D1) 1/(L√(K/D1)) 1 ∞ L√(K/D1) 1/(L√(K/D1)) ANSWER DOWNLOAD EXAMIANS APP