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.

STATEMENT_1:_REMOVING_OF_MOISTURE_CONTENT_FOR_GRAINS_IN_THE_FOOD_INDUSTRY_FOLLOWS_THE_THIN_LAYER_MODEL_OF_DRYING_BED.?$

A.
B. True, False
C. True, True
Answer» C. True, True
2.

Cabinet tray dryers are not very effective as they do not completely strip off the moisture content from the food item. Hence, they need to be combined with another dryer for effective results.$

A. True
B. False
Answer» B. False
3.

What_does_the_thin_layer_model_of_drying_beds_in_drying_of_grains_depend_on?$

A. Temperature of air
B. Air flow
C. Initial moisture content
D. All of the mentioned
Answer» E.
4.

Tunnel dryer is only a continuous version of a cabinet tray dryer.

A. True
B. False
Answer» B. False
5.

Which of the following denotes gas phase mass transfer coefficient?

A. Sherwood number
B. Lewis number
C. Schmidt number
D. None of the mentioned
Answer» C. Schmidt number
6.

The point where the constant drying period changes to falling rate period is called _____

A. Equilibrium moisture content
B. Critical moisture content
C. Critical humidity
D. Bound moisture content
Answer» C. Critical humidity
7.

Drying rate curve is plot between _____ and _____

A. Critical moisture content, critical humidity
B. Critical moisture content, drying rate
C. Critical humidity, drying rate
D. Moisture content, drying rate
Answer» E.
8.

The EMC-RH data is fitted to Henderson’s equation. Which of the following is true about the relative humidity with respect to food technology terminology?$

A. It is also called water activity
B. It is irrelevant with respect to food technology
C. None of the mentioned
D. All of the mentioned
Answer» B. It is irrelevant with respect to food technology
9.

Moisture on dry basis cannot be more than a hundred percentage.

A. True
B. False
Answer» C.
10.

On wet basis, the denominator stays constant whereas in moisture content on dry basis, the denominator changes.

A. True
B. False
Answer» C.
11.

Statement 1: Drying is used for preservation of food.

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