Properties and Performance of fibres, YARN and FABRIC

This yarn type is from staple fibres. It is uneven and weak but has good elasticity and absorbency.

• Monofilament yarn

• Multifilament yarn

• Staple spun yarn

This yarn type is made from one filament of fibre. It is fine and strong, but has poor resistance and poor absorbency.

• Staple spun yarn

• Monofilament yarn

• Multifilament yarn

This type of yarn is made from more than one filament fibre. it is strong with good lustre and is slightly absorbent.

• Staple spun yarn

• Monofilament yarn

• Multifilament yarn

The more a yarn is twisted or spun, the stronger it is.

• True

• False

Properties of low-twist yarn (check 3)

• Good Lustre

• Soft

• Weak

• Slow drying

• Poor insulation

Properties of high-twist yarn. (check 3)

• Good lustre

• Good abrasion resistance

• Weak

• Quick-drying

• Poor elasticity

When yarns are twisted clockwise they are called...

• S-twist

• Z-twist

When yarns are twisted anticlockwise they are called...

• S-twist

• Z-twist

Staple spinning turns short fibres into yarn. Name a staple fibres

What is the name of process that separates the cotton fibres from the cottonseed

• Ginning

• Carding

• Combing