Chemical Reaction Engineering Exothermic reactions are best carried out in A CSTR A plug flow reactor followed by CSTR CSTR followed by a plug flow reactor CSTR in series A CSTR A plug flow reactor followed by CSTR CSTR followed by a plug flow reactor CSTR in series ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering To maximise the formation of R in the simultaneous reactionA + B → R , rR = 2CA0.5.CB2 A + B → S , rS = 1.5 CA . CB We should have Low CA, low CB High CA, low CB High CA, high CB Low CA, high CB Low CA, low CB High CA, low CB High CA, high CB Low CA, high CB ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A Catalyst None of these Changes the equilibrium constant of the reaction Increases the equilibrium concentration of the product Shortens the time to reach the equilibrium None of these Changes the equilibrium constant of the reaction Increases the equilibrium concentration of the product Shortens the time to reach the equilibrium 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 PFR Low temperature in a CSTR High temperature in a CSTR High temperature in a PFR Low temperature in a PFR Low temperature in a CSTR High temperature in a CSTR High temperature in a PFR ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a homogeneous reaction of nth order, the dimension of the rate constant is given by (concentration)1 - n/(time) None of these (concentration)n - 1/(time) L/(time)n (concentration)1 - n/(time) None of these (concentration)n - 1/(time) L/(time)n ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the same residence time, which one will give the maximum conversion? Stirred tank followed by tubular flow reactor (each of 2.5 litres) Two stirred tank (each of 2.5 litres) in series Single stirred tank (v = 5 litres) Single tubular flow reactor (v = 5 litres) Stirred tank followed by tubular flow reactor (each of 2.5 litres) Two stirred tank (each of 2.5 litres) in series Single stirred tank (v = 5 litres) Single tubular flow reactor (v = 5 litres) ANSWER DOWNLOAD EXAMIANS APP
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