Explore topic-wise MCQs in Food Engineering.

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

1.

How does the solubility of carbon-di-oxide in coke increase when it is subjected to high pressure?

A. Interfacial area increases
B. Pressure drop decreases
C. It shifts the equilibrium to a higher side
D. All of the mentioned
Answer» D. All of the mentioned
Discussion
2.

To increase the solubility of carbon-di-oxide in coke, it is subjected to high pressure.

A. True
B. False
Answer» B. False
Discussion
3.

Statement 1: Packed towers are used for physical absorption.
Statement 2: Agitated vessels are used for physical absorption.

A. True, False
B. True, True
C. False, False
D. False, True
Answer» B. True, True
Discussion
4.

Which of the following statements is correct with respect to gas absorption?

A. Sufficient contact time plays an important role in absorption
B. Adequate contact area plays an important role in absorption
C. Contact time becomes irrelevant after equilibrium and only the interfacial area plays a crucial role
D. All of the mentioned
Answer» E.
Discussion
5.

_____ gives the relationship between the concentration of gas entering stage n and concentration of liquid leaving stage n.

A. Equilibrium curve
B. Operating line
C. Equilibrium line
D. None of the mentioned
Answer» C. Equilibrium line
Discussion
6.

Statement 1: Vapor phase is always more of volatile components.
Statement 2: Liquid phase is always more of high boiling point liquids.

A. True, False
B. True, True
C. False, False
D. False, True
Answer» C. False, False
Discussion
7.

Statement 1: Rectification involves the liquid and vapors to pass a cascade of stages.
Statement 2: In rectification, both heat and mass transfer takes place till equilibrium is reached.

A. True, False
B. True, True
C. False, False
D. False, True
Answer» C. False, False
Discussion
8.

Statement 1: Distillation is not used very widely in the food industry.
Statement 2: Steam distillation can be done when the volatile component is not miscible in water.

A. True, False
B. True, True
C. False, False
D. False, True
Answer» C. False, False
Discussion