Chemical Reaction Engineering A trickle bed reactor is the one, which Processes three reactants with same flow rate Employs all the three phases (i.e.. .solid, liquid and gas) Processes three reactants at different flow rates Has altogether three streams either entering or leaving Processes three reactants with same flow rate Employs all the three phases (i.e.. .solid, liquid and gas) Processes three reactants at different flow rates Has altogether three streams either entering or leaving ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The time needed to achieve the same fractional conversion for particles of different sizes (d) when chemical reaction controls, is proportional to D D2 D1.5 √d D D2 D1.5 √d ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Consider the 'n' th order irreversible liquid phase reaction A → B. Which one of the following plots involving half life of the reaction (t1/2) and the initial reactant concentration (CA0) gives a straight line plot? CA0 Vs t1/2 CA0 Vs ln t1/2 Ln CA0 Vs t1/2 Ln CA0 Vs ln t1/2 CA0 Vs t1/2 CA0 Vs ln t1/2 Ln CA0 Vs t1/2 Ln CA0 Vs ln t1/2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The units of frequency factor in Arhenious equation Depend on the order of the reaction Depend on temperature, pressure etc. of the reaction Are the same as those of the rate constant Are cycles per unit time Depend on the order of the reaction Depend on temperature, pressure etc. of the reaction Are the same as those of the rate constant Are cycles per unit time ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The optimum performance for reactors operating in parallel is obtained when the feed stream is distributed in such a way, that the Space time for parallel lines is different None of these Space time for each parallel line is same Larger reactors have more space time compared to smaller ones Space time for parallel lines is different None of these Space time for each parallel line is same Larger reactors have more space time compared to smaller ones ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If n = overall order of a chemical reaction. a = initial concentration of reactant. t = time required to complete a definite fraction of the reaction. Then pick out the correct relationship. T ∝ an T ∝ 1/an T ∝ 1/an + 1 T ∝ 1/an - 1 T ∝ an T ∝ 1/an T ∝ 1/an + 1 T ∝ 1/an - 1 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS