Properties and Uses of Synthetic Fibers

The video tutorial introduces synthetic fibers, explaining that they are man-made from petrochemicals. It covers the properties of synthetic fibers, such as durability and affordability, and highlights their disadvantages, like flammability. The tutorial then explores different types of synthetic fibers, including nylon, artificial silk, polyester, and acrylic, detailing their properties and common uses in everyday life.

What are synthetic fibers primarily made from?

• Natural fibers

• Petrochemicals

• Plant extracts

• Animal products

Which of the following is a characteristic of synthetic fibers?

• They are expensive

• They are biodegradable

• They are difficult to maintain

• They dry quickly

What was the first man-made fiber?

• Polyester

• Nylon

• Acrylic

• Artificial silk

Which property makes nylon suitable for making parachutes?

• It is lightweight

• It is elastic

• It is lustrous

• It is strong

Artificial silk is similar to natural silk in which way?

• It is made from animal fibers

• It is obtained from plants

• It is more expensive

• It has similar properties

What is a notable feature of polyester?

• It is difficult to dye

• It is expensive

• It is wrinkle-resistant

• It is biodegradable

Which common item is made from polyester?

• PET bottles

• Woolen sweaters

• Silk scarves

• Cotton shirts

Acrylic fabric is often used as a substitute for which natural material?

• Cotton

• Silk

• Wool

• Linen

Which of the following is NOT a use of acrylic fabric?

• Sweaters

• Blankets

• Carpets

• Parachutes