FCOS 103 Textile Fibres: Natural Fibres Production and Properties

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Which property is common to all cellulosic fibres?

Low heat resistance

Low resiliency (correct)

High elasticity

Poor absorbency

What distinguishes protein fibres from cellulosic fibres?

Resistant to mold

Obtained from animals (correct)

Derived from plants

Contain glucose

Why are cellulosic fibres like cotton susceptible to damage by molds and mildew?

Resistance to moths

High resiliency

Good conductor of electricity

Low absorbency (correct)

What is a key reason why cotton is the most widely used fibre?

Good absorbency Signup and view all the answers

In what way do cellulosic fibres differ from protein fibres in terms of flammability?

Highly flammable Signup and view all the answers

Why is cotton grown in areas with temperate and hot climates?

Thrives in specific temperature conditions Signup and view all the answers

What is the recommended method for drying garments made of wool?

Air-drying flat Signup and view all the answers

Why do some dry cleaners apply special finishes to wool garments?

To provide moth-proofing Signup and view all the answers

How do specialty wools differ from sheep's wool in terms of texture?

Specialty wools are smoother and finer Signup and view all the answers

Why are specialty wools generally limited to luxurious products?

Their beauty and cost Signup and view all the answers

Which animal does cashmere fiber come from?

Goat Signup and view all the answers

How does the sensitivity to chemicals of cashmere hair compare to wool?

Cashmere is more sensitive than wool Signup and view all the answers

What is the average length of wool used for worsted fabrics?

2.5 inches Signup and view all the answers

Which material is used in the production of sound system to absorb pressure?

Felt fabrics Signup and view all the answers

Which wool property contributes to its bulkiness and warmth?

Bi-component fibre structure Signup and view all the answers

Which type of wool is used for specialty and hand-crafted fabrics?

Long, coarse wool Signup and view all the answers

What is the recommended treatment for wool fabrics that have been treated to allow washing?

Lukewarm water, mild detergent and gentle agitation or soaking Signup and view all the answers

Which type of wool fabric is made directly from wool fibers without spinning into yarns or weaving?

Felt fabrics Signup and view all the answers

Which property of cotton makes it smooth when ironed?

It becomes plastic when wet Signup and view all the answers

Which type of cotton would have less than 200 twists/inch?

Short staple cotton Signup and view all the answers

Which of the following is not an appropriate use of cotton?

Electrical insulation Signup and view all the answers

What type of water should be used when washing white cotton?

Hot water Signup and view all the answers

What should be done to prevent cotton furnishings from shrinking when washed?

Dry clean them Signup and view all the answers

What precaution should be taken when ironing cotton to prevent damage?

Use a press cloth Signup and view all the answers

Which process is used to separate fibres from seeds in cotton production?

Ginning Signup and view all the answers

What is the primary use of cotton linters in the production process?

Producing rayon and acetate Signup and view all the answers

FCOS 103 Textile Fibres: Natural Fibres Production and Properties

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