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 High temperature in a CSTR High temperature in a PFR Low temperature in a CSTR Low temperature in a PFR High temperature in a CSTR High temperature in a PFR Low temperature in a CSTR ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The unit of frequency factor in Arhenious equation is None of these Dimensionless Same as that of rate constant Same as that of activation energy None of these Dimensionless Same as that of rate constant Same as that of activation energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Carbon particles accummulated on the catalyst used in the gas oil cracking lies in the category of __________ poison. Stability Chemisorbed Selectivity Deposited Stability Chemisorbed Selectivity Deposited ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A space velocity of 5 hr⁻¹ means that A fixed conversion of a given batch of feed takes 5 hours Cent per cent conversion can be achieved in at least 5 hours After every 5 hours, reactor is being filled with the feed Five reactor volumes of feed (at specified conditions) are being fed into the reactor per hour A fixed conversion of a given batch of feed takes 5 hours Cent per cent conversion can be achieved in at least 5 hours After every 5 hours, reactor is being filled with the feed Five reactor volumes of feed (at specified conditions) are being fed into the reactor per hour ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Time required for 50% decomposition of a liquid in an isothermal batch reactor following first order kinetics is 2 minutes. The time required for 75% decomposition will be about __________ minutes. 3 4 8 6 3 4 8 6 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The exit age distribution curve E(t) for an ideal CSTR with the average residence time, τ, is given by E-t/τ/T 1 - e-t/τ 1 - (e-t/τ/T) E-t/τ E-t/τ/T 1 - e-t/τ 1 - (e-t/τ/T) E-t/τ ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS