Explore topic-wise MCQs in Food Engineering Questions and Answers.

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Food Engineering Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.

When a system doesn’t obey Raoult’s law, the relative volatility is the ratio of the Henry’s constants for the two systems.

A. True
B. False
Answer» B. False
Discussion
2.

Statement 1: Batch distillation is used for small capacity operations.

A. Statement 2: In food processing, batch distillation is used for desolventization.
B. True, False
C. True, True
D. False, False
E. False, True
Answer» C. True, True
Discussion
3.

Statement 1: Boiling point concentration diagram plots y against x. (Mole fraction in gas and liquid phase respectively).

A. Statement 2: VLE curve plots y against x. (Mole fraction in gas and liquid phase respectively).
B. True, False
C. True, True
D. False, False
E. False, True
Answer» E. False, True
Discussion
4.

Raoult’s law is when mole fraction approaches zero and Henry’s law is applicable when concentration approaches zero.

A. True
B. False
Answer» B. False
Discussion
5.

Statement 1: Vapour-liquid-Equilibria is related to by a simple expression of Raoult’s law.

A. Statement 2: Raoult’s law is applicable to real gases.
B. True, False
C. True, True
D. False, False
E. False, True
Answer» B. True, False
Discussion
6.

Statement 1: Hydrogenation of fats involves liquid-gas phases only.

A. Statement 2: Hydrogenation of fats is known as slurry reactor system.
B. True, False
C. True, True
D. False, False
E. False, True
Answer» E. False, True
Discussion
7.

∫y0ybdy/(y-y*) gives you _____

A. Height of one transfer unit
B. Height of the entire column
C. Number of transfer units in the column
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
8.

Statement 1: Bubble point means the feed is at saturated vapor.

A. Statement 2: Dew point means the feed is at boiling point.
B. True, False
C. True, True
D. False, False
E. False, True
Answer» D. False, False
Discussion