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.

Which of the following is an important parameter in sun drying rate?

A. Convective heat transfer coefficient
B. Conductive heat transfer coefficient
C. Mass transfer coefficient
D. Dynamic mass transfer coefficient
Answer» B. Conductive heat transfer coefficient
2.

What are advantages of sun drying?

A. Economical and environmentally friendly
B. Fast drying and environmentally friendly
C. Environmentally friendly
D. Economical
Answer» B. Fast drying and environmentally friendly
3.

What type of air temperature and humidity do the solar driers generate?

A. Highair temperature, lowhumidity
B. Lowair temperature, high humidity
C. Lowair temperature, lowhumidity
D. Highair temperature, highhumidity
Answer» B. Lowair temperature, high humidity
4.

Are these statements about the solar dryer true?Statement 1: It is designed to collect and enhance solar radiation.Statement 2: This drier is faster than sun-drying

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

What are the modes of heat transfer employed in solar drying systems?

A. Radiation and convection
B. Conduction and convection
C. Conduction and radiation
D. Radiation and conduction
Answer» B. Conduction and convection
6.

Are these statements about the location for the sun drying true?Statement 1:Low lying swampy areas are preferred for the sun drying of the products.Statement 2:High relative humidity is preferred.

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

Is sun drying and solar drying same?

A. True
B. False
Answer» C.
8.

What is the lower limit of moisture content by sun drying method?

A. 15%
B. 10%
C. 8%
D. 13%
Answer» B. 10%
9.

What is hybrid solar dryer?

A. It is designed and constructed using direct solar energy and a heat exchanger.
B. It represents solar dyer but uses irradiation instead of sun rays
C. It is designed and constructed using direct solar energy and irradiation rays
D. It is used for only hybrid and genetically modified foods
Answer» B. It represents solar dyer but uses irradiation instead of sun rays
10.

Why meats are not recommended for out-of-doors drying?

A. Meats are high in protein, making them ideal for microbial growth
B. Meat gets decomposed easily
C. Meat absorbs the outdoor odours
D. Vitamin B12 is lost during sun drying
Answer» B. Meat gets decomposed easily