Fibres - Part 1 - Multiple Choice

The properties of a wool fibre are?

• Strong, absorbent and elastic

• Less elastic, weaker and absorbent

• Warm, elastic and absorbent

• Absorbent, weaker and more pliable

3. The ability of a fibre to absorb moisture depends on which of the following?

• Length and shape of the polymers and the kind of bonds

• 3. The chemical composition of the fibre and the length of the polymers

• 3. The smoothness of the fibre surface and the cross sectional shape

• 3. The kind and number of bonds present.

3. Identify the most suitable fibre blend to use for school socks

• 3. Viscose/cotton blend

• 3. Nylon/cotton blend

• 3. Cotton/nylon blend

• 3. Cotton/viscose blend

Which of the following are the properties of a more crystalline fibre?

• More absorbent, weaker, less durable

• More absorbent, weaker, more easily dyed

• More absorbent, more pliable and softer handle

• Less absorbent, stronger and less easily dyed

10. A fibre is?

• 10. Obtained only from animals and plants for spinning

• 10. A hair like structure, short staple length or continuous filament

• 10. A hair like structure from animals in short staple length

• 10. A continuous filament which is untangled and spun.

The properties of a cotton fibre are?

• Strong, absorbent and inelastic

• Less elastic, weaker and absorbent

• Warm, elastic and absorbent

• Absorbent, weaker and more pliable

3. The strength of a fibre depends on which of the following?

• 3. Greater amorphous regions of the polymer arrangement

• 3. Having largely crystalline structures rather than amorphous

• 3. The smoothness of the fibre surface and the cross sectional shape

• 3. The number and type of bonds present.

3. Identify the most suitable fibre blend to use for a school shirt

• 3. Viscose/cotton blend

• 3. Nylon/cotton blend

• 3. Cotton/polyester blend

• 3. Cotton/viscose blend

Which of the following are all natural fibres?

• Nylon, viscose rayon, cotton

• Wool, silk, viscose rayon

• Linen, silk, wool

• Viscose rayon, polyester, nylon

10. The amorphous region of a fibre structure can be described as?

• The polymers which are packed closely together and in a parallel arrangement

• The polymers are in a random arrangement and there are large distances between them.

• The external structure that  contributes to the monofilament yarn

• The polymerisation of joining monomers to form a chain or polymer