Properties and Uses of Fabrics

The video tutorial covers the properties and uses of synthetic fibers: rayon, polyester, acrylic, and spandex. Rayon is a semi-synthetic fiber resembling silk, known for its luster and absorbency. Polyester is lightweight and wrinkle-resistant, used in various textiles. Acrylic is a wool substitute, durable and non-absorbent. Spandex is highly elastic, ideal for snug-fitting garments. Each fiber's unique properties and applications are discussed, providing a comprehensive understanding of synthetic fibers.

What is the primary natural source used to produce rayon?

• Polyester

• Cellulose

• Acrylic

• Wool

Why is rayon considered a semi-synthetic fiber?

• It is made entirely from synthetic materials.

• It is derived from a natural source but undergoes chemical treatment.

• It is a blend of natural and synthetic fibers.

• It is made from recycled materials.

Which of the following is a property of polyester?

• Highly absorbent

• Heavyweight

• Non-elastic

• Wrinkle resistant

What is a common use of polyester due to its non-absorbent nature?

• Beverage bottles

• Winter clothing

• Sportswear

• Raincoats

Acrylic is often used as a substitute for which natural fiber?

• Silk

• Rayon

• Wool

• Cotton

Which property makes acrylic suitable for winter garments?

• Moisture resistance

• Elasticity

• High absorbency

• Durability

What is a key characteristic of spandex?

• Heavyweight

• Wrinkle resistance

• Excellent elasticity

• High absorbency

Spandex is commonly used in which type of clothing?

• Formal wear

• Sportswear

• Casual shirts

• Winter coats

Which fiber is known for its ability to stretch up to five times its length?

• Acrylic

• Polyester

• Spandex

• Rayon

What is another name for spandex?

• Acryl

• Viscose

• Dacron

• Lycra