Fibres

Which two fibres when approaching flames scorches; ignites easily?

• Cotton and Polyester

• Polyester and Linen

• Linen and Silk

• Cotton and Linen

Which of the following fibres, melts and burn when in flame?

• Rayon

• Polyester

• Nylon

• Silk

Fibres comes from all of the following except?

• Plants

• Water

• Animals

• Rocks

Which two fibres smoulders when approaching a flame?

• Wool and Silk

• Cotton and Linen

• Polyester and Nylon

• Cotton and Wool

Which of the following fibres is derived from coal, air, water, and petroleum.

• Nylon

• Asbestos

• Polyester

• Rayon

How does nylon fibres react after leaving the flame?

• Burns rapidly with an afterglow.

• Stop flaming immediately.

• Burns with difficulty.

• Flame dies down and appears to go out.

Which of the following fibres when burned gives off an odour of burning feathers or hair?

• Polyester

• Silk

• Linen

• Nylon

All of the following fibres burn slowly EXCEPT?

• Nylon

• Linen

• Silk

• Polyester

Hard tough grey beads are residue formed for which of the following fibres?

• Nylon

• Silk

• Polyester

• Wool

Fibreglass is a ____________________

• Natural - Mineral fibre

• Artificial - Mineral fibre

• Natural - Plant fibre

• Artificial - Chemical fibre