Chemical Reaction Engineering Which of the following factors control the design of a fluid-solid reactor? Size distribution of solids beingtreated All of these Reaction kinetics for single particle, Flow patterns of solids and fluid in the reactor Size distribution of solids beingtreated All of these Reaction kinetics for single particle, Flow patterns of solids and fluid in the reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Chemical kinetics can predict the __________ of a chemical reaction. Feasibility Rate Both A & B Neither A nor B Feasibility Rate Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A batch reactor is Suitable for gas-phase reactions on commercial scale Least expensive to operate for a given rate Most suitable for very large production rate Suitable for liquid phase reactions involving small production rate Suitable for gas-phase reactions on commercial scale Least expensive to operate for a given rate Most suitable for very large production rate Suitable for liquid phase reactions involving small production rate 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 The units of frequency factor in Arhenious equation Are cycles per unit time Depend on temperature, pressure etc. of the reaction Are the same as those of the rate constant Depend on the order of the reaction Are cycles per unit time Depend on temperature, pressure etc. of the reaction Are the same as those of the rate constant Depend on the order of the reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering At a given value of E/R (ratio of activation energy and gas constant), the ratio of the rate constants at 500°K and 400°K is 2, if Arrhenious law is used. What will be this ratio, if transition state theory is used with the same value of E/R? 2.24 2.5 2 1.6 2.24 2.5 2 1.6 ANSWER DOWNLOAD EXAMIANS APP