Explore topic-wise MCQs in Food Engineering.

This section includes 11 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.

Which of the following is the actual reason why CO2 is used in CSFE?

A. All of the mentioned
B. No serious health risks detected so far
C. Inexpensive and readily available in pure form
D. Inert, doesn t react with solute
Answer» B. No serious health risks detected so far
Discussion
2.

Which of the following is the real extraction application of SCFE?

A. Cholesterol from egg
B. Nicotine from tobacco
C. Cholesterol from egg & Nicotine from tobacco
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
3.

Which of the following is a major constraint of SCFE?

A. Maintaining temperature of order 100deg C
B. Channeling of fluid in extraction tank without contacting the solids
C. Maintenance of high pressure
D. All of the mentioned
Answer» E.
Discussion
4.

Statement 1: Presence of certain organic solvents in solvent extraction can prove to be carcinogenic.
Statement 2: CO2 gas can be used in super critical fluid extraction.

A. True, False
B. True, True
C. False, False
D. False, True
Answer» C. False, False
Discussion
5.

Using hot water for decoction followed by spraying drying is the procedure used for making instant coffee.

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

Statement 1: Caffeine is the active principle in coffee. It cannot be stripped off it.
Statement 2: Caffeine can be stripped off coffee by extraction.

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

What is extraction in paprika used for?

A. Obtain proteins from the end product
B. Desolventization of final product
C. Extraction of its natural color
D. All of the mentioned
Answer» D. All of the mentioned
Discussion
8.

_____ is an important solvent for wet and edible materials.

A. Hexane
B. Acetone
C. Chloroform
D. All of the mentioned
Answer» B. Acetone
Discussion
9.

After extraction via solvent extraction, the cake serves to be a good source of _____

A. Fats
B. Proteins
C. Carbohydrates
D. Fibers
Answer» C. Carbohydrates
Discussion
10.

A multi stage continuous counter-current extractor has the advantages of both co and counter current processes.

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

Which of the following operations is carried out by extraction equipment?

A. Leaving as little solvent as possible in the spent cake
B. Bringing intimate contact between solute and solvent
C. Leaching solute out as quick as possible by letting solute diffuse into the solvent from porous structure of solids
D. All of the mentioned
Answer» E.
Discussion