Multiple choice

Why is nylon used for making parachutes and ropes for rock climbing?

  1. <font size="2">I</font>t is lustrous.

  2. <font size="2">I</font>t is easy to wash.

  3. <font size="2">I</font>t is stronger than steel wire.

  4. It possesses dip and dry property.

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The most essential characteristic for selecting a material for making parachutes and ropes for rock climbing is its high tensile strength. Nylon fibres are stronger than even a steel wire and have very high tensile strength. Therefore, it is used for making parachutes and ropes.