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 cooling crystallization is more energy friendly than evaporative crystallization?

A. True
B. False
Answer» B. False
2.

Which of the following statements about fractional crystallization are correct?
Statement 1: In this process, repeated crystallization takes place.

A. nStatement 2: It increases the purity of the material.
B. True, False
C. True, True
D. False, True
E. False, False
Answer» C. True, True
3.

Which process is called as a counter-current cascade?

A. Fractional crystallization
B. Cooling crystallization
C. Precipitation
D. Evaporative crystallization
Answer» B. Cooling crystallization
4.

What is special form of cooling crystallization process?

A. Freeze crystallization
B. Slow crystallization
C. Melt crystallization
D. Quick crystallization
Answer» D. Quick crystallization
5.

Who invented crystallization?

A. Jabir ibn Hayyan
B. Charles Chamberland
C. Willis Carrier
D. Clarence Birdseye
Answer» B. Charles Chamberland
6.

Which of the following statements about evaporative crystallization are correct?
Statement 1:The process depends on evaporation of the solvent.

A. nStatement 2:This process does not create vapor or suspension of crystals in mother liquor.
B. True, False
C. True, True
D. False, True
E. False, False
Answer» B. True, False
7.

Is crystal size controlled by temperature?

A. True
B. False
Answer» B. False
8.

What is crystallization temperature?

A. Temperature at which the brine solution is partially saturated
B. Temperature at which the brine solution is fully saturated
C. Temperature at which the solute and solvent is fully saturated
D. Temperature at which the solute and solvent is partially saturated
Answer» C. Temperature at which the solute and solvent is fully saturated
9.

What is the mechanism of crystallization?

A. Nucleation, crystal maturation and growth
B. Nucleation and growth
C. Nucleation, growth, and crystal maturation
D. Nucleation and crystal maturation
Answer» D. Nucleation and crystal maturation
10.

What is co-crystallization?

A. Parallel arrangement in crystallization
B. Catalysts
C. Cross arrangements in crystallization
D. Seeding agents
Answer» E.