Explore topic-wise MCQs in Food Processing Unit Operations.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Food Processing Unit Operations knowledge and support exam preparation. Choose a topic below to get started.

1.

Is boiling point a physical property?

A. True
B. False
Answer» B. False
2.

What is the alternative name for boiling point elevation?

A. Vapor pressure lowering
B. Vapor pressure elevation
C. Latent heat
D. Entropy
Answer» B. Vapor pressure elevation
3.

Which of the following are factors that regulate the boiling point of the solute?

A. Concentration of solute in the solution
B. Concentration of solvent
C. Type of solute
D. Type of solvent
Answer» B. Concentration of solvent
4.

Which liquid has lowest boiling point?

A. Helium
B. Water
C. Ethanol
D. Nitrogen
Answer» B. Water
5.

Can the boiling point be reduced below the triple point?

A. True
B. False
Answer» C.
6.

How does boiling point depend on pressure?

A. Directly proportional
B. Indirectly proportional
C. Not dependent
D. Depends on the solute
Answer» B. Indirectly proportional
7.

What is the boiling point of sugar?

A. 1,465°C
B. 100°C
C. 102.82°C
D. 78.37°C
Answer» D. 78.37°C
8.

What is boiling point elevation constant of water?

A. 5.12°C/m
B. 51.2°C/m
C. 0.512°C/m
D. 0.0512°C/m
Answer» D. 0.0512°C/m
9.

Why does boiling point elevation occur?

A. Due to addition of solute
B. Due to addition of solution
C. Due to change in humidity
D. Due to change in pressure
Answer» B. Due to addition of solution
10.

Which law governs theboiling point elevation in evaporators?

A. Rauolt’s law
B. Boyle’s law
C. Charle’s law
D. Duhring’s law
Answer» E.