Explore topic-wise MCQs in Bioprocess Engineering.

This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Bioprocess Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

The overall effectiveness factor is symbolized by __________

A. μ
B. Φ
C. η
D. Ω
Answer» E.
Discussion
2.

The internal effectiveness factor is symbolized by ________

A. μ
B. Φ
C. η
D. Ω
Answer» D. Ω
Discussion
3.

Rate of reaction over a finely crushed catalyst of radius of 0.5 mm was measured as 10.0 mole/sm3 catalyst. Temperature is 400 K and pressure is 105 Pa and mole fraction of reactant in the gas is 0.1. Find the rate for a catalyst of pellet radius of 3mm. (Assume ηC = 1 for small catalyst).

A. 7.01 mole / m3s
B. 7.03 mole / m3s
C. 7.05 mole / m3s
D. 7.07 mole / m3s
Answer» D. 7.07 mole / m3s
Discussion
4.

“Increasing the bulk concentration of substrate CAb”, is included in which parameter?

A. Internal mass-transfer
B. External mass-transfer
C. Internal-External mass- transfer
D. Heat transfer
Answer» C. Internal-External mass- transfer
Discussion
5.

Reducing the reaction rate rA,obs improves the effectiveness of mass transfer aimed at increasing the reaction rate.

A. True
B. False
Answer» B. False
Discussion
6.

THE_INTERNAL_EFFECTIVENESS_FACTOR_IS_SYMBOLIZED_BY_________?$

A. μ
B. —Ñ
C. η
D. Ω
Answer» D. ‚Äö√Ñ√∂‚àö√´¬¨‚àÇ
Discussion
7.

The_overall_effectiveness_factor_is_symbolized_by___________$

A. μ
B. —Ñ
C. η
D. Ω
Answer» E.
Discussion
8.

Rate of reaction over a finely crushed catalyst of radius of 0.5 mm was measured as 10.0 mole/sm3 catalyst. Temperature is 400 K and pressure is 105 Pa and mole fraction of reactant in the gas is 0.1. Find the rate for a catalyst of pellet radius of 3mm. (Assume ηC = 1 for small catalyst)?#

A. 7.01 mole/ m<sup>3</sup>s
B. 7.03 mole/ m<sup>3</sup>s
C. 7.05 mole/ m<sup>3</sup>s
D. 7.07 mole/ m<sup>3</sup>s
Answer» D. 7.07 mole/ m<sup>3</sup>s
Discussion
9.

Accessibility of the surface area of the catalyst is typically non-limiting.

A. True
B. False
Answer» C.
Discussion
10.

Increase in pump speed does not change the overall reaction rate.

A. True
B. False
Answer» B. False
Discussion
11.

The boundary layer is necessary for the analysis of data.

A. True
B. False
Answer» C.
Discussion
12.

“Increasing the bulk concentration of substrate CAb”, is included in which parameter?$

A. Internal mass-transfer
B. External mass-transfer
C. Internal-External mass- transfer
D. Heat transfer
Answer» C. Internal-External mass- transfer
Discussion
13.

Thiele modulus will increase with the decrease of the size of the catalyst.

A. True
B. False
Answer» C.
Discussion
14.

Reducing the reaction rate rA,obs improves the effectiveness of mass transfer aimed at increasing the reac tion rate.

A. True
B. False
Answer» B. False
Discussion
15.

Thiele modulus is used for the solid catalyst.

A. True
B. False
Answer» C.
Discussion