Chemical Reaction Engineering MCQ Questions & Answers | Chemical Engineering

A. Exit age description function (E) and internal age distribution function ($$I$$) are related as, $$E = - \frac{{{\text{d}}I}}{{{\text{d}}\theta }}$$

B. Chmisorption studies are useful in the determination of catalyst surface area and pore size distribution

C. A higher temperature favours the reaction of higher activation energy

D. A catalyst increases the potential energy barrier over which the reactants must pass to form products

A. $${\text{L}}\sqrt {{\text{K}}/{{\text{D}}_1}} $$

B. $$\frac{1}{{{\text{L}}\sqrt {{\text{K}}/{{\text{D}}_1}} }}$$

C. 1

D. $$\infty $$

A. P.F.R. and backmix reactor

B. P.F.R. and batch reactor

C. P.F.R, batch reactor and backmix reactor

D. Batch reactor and backmix reactor

A. Temperature is increased

B. Pressure is reduced

C. Temperature is increased and pressure is reduced

D. Temperature is reduced and pressure is increased

A. Gas film diffusion

B. Ash diffusion

C. Chemical reaction

D. None of these

A. Usually equal to the residence time

B. The reciprocal of the space velocity

C. A measure of its capacity

D. Both A and B

A. Describes the extensive operating characteristics of a tubular flow reactor

B. Is the maximum feed rate pre unit volume of reactor for a given conversion

C. Is a measure of the ease of the reaction

D. All of the above

A. 1/τ exp (-t/τ)

B. Τ exp (-t/τ)

C. Exp(-t/τ)

D. 1/τ (-t/τ)

A. Low C_A, low C_B

B. Low C_A, high C_B

C. High C_A, low C_B

D. High C_A, high C_B

A. Initial concentration of reactants

B. Time of reaction

C. Temperature of the system

D. Extent of reaction