Chemical Reaction Engineering A trickle bed reactor is the one, which Has altogether three streams either entering or leaving Processes three reactants at different flow rates Processes three reactants with same flow rate Employs all the three phases (i.e.. .solid, liquid and gas) Has altogether three streams either entering or leaving Processes three reactants at different flow rates Processes three reactants with same flow rate Employs all the three phases (i.e.. .solid, liquid and gas) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If Thiele modulus is __________ , then the pore diffusion resistance in a catalyst may be considered as negligible. ∞ 0 < 0.5 > 0.5 ∞ 0 < 0.5 > 0.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A first order reaction requires two unequal sized CSTR. Which of the following gives higher yield ? Data insufficient, can Either of the arrangement A or B will give the same yield Large reactor followed by smaller one Smaller reactor followed by larger one Data insufficient, can Either of the arrangement A or B will give the same yield Large reactor followed by smaller one Smaller reactor followed by larger one ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The size of plug flow reactor (PFR) for all positive reaction orders and for any given duty, is __________ that of mixed reactor. Smaller than Greater than Unpredictable from the data Equal to Smaller than Greater than Unpredictable from the data Equal to ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The eddy diffusivity for a liquid in plug flow must be 0 1 ∞ Between 0 and 1 0 1 ∞ Between 0 and 1 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 Low CA, high CB High CA, high CB High CA, low CB Low CA, low CB Low CA, high CB High CA, high CB High CA, low CB ANSWER DOWNLOAD EXAMIANS APP