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 PFR Low temperature in a PFR High temperature in a CSTR Low temperature in a CSTR High temperature in a PFR Low temperature in a PFR High temperature in a CSTR 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 ? 1/9 1/2 3 1/3 1/9 1/2 3 1/3 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst in a chemical reaction Decreases the activation energy Alters the reaction mechanism All of these Increases the frequency of collisions of reacting species Decreases the activation energy Alters the reaction mechanism All of these Increases the frequency of collisions of reacting species ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a first order reaction carried out in a plug flow reactor, the space time is K In C/C0 1/K In C/C0 1/K In C0/C K In C0/C K In C/C0 1/K In C/C0 1/K In C0/C K In C0/C ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An endothermic aqueous phase first order irreversible reaction is carried out in an adiabatic plug flow reactor. The rate of reaction Goes through a maximum along the length of the reactor Is maximum at the inlet of the reactor Goes through a minimum along the length of the reactor Is maximum at the exit of the reactor Goes through a maximum along the length of the reactor Is maximum at the inlet of the reactor Goes through a minimum along the length of the reactor Is maximum at the exit of the reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is an autocatalytic reaction? Ammonia synthesis reaction Microbial fermentation reaction Photochemical reactions Enzyme fermentation reaction Ammonia synthesis reaction Microbial fermentation reaction Photochemical reactions Enzyme fermentation reaction ANSWER DOWNLOAD EXAMIANS APP
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