Which of the following fibres is used for making parachutes, ropes and sleeping bags?
(a) Rayon
(b) Nylon
(c) Polyesters
(d) All of the above

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Detailed Solution

The correct answer is (b) Nylon.

Explanation

Nylon is a synthetic fibre renowned for its exceptional strength, elasticity, durability, and light weight. These specific properties make it the ideal choice for high-performance gear.

Parachutes: Require a fabric that is incredibly strong to handle the force of deployment, yet lightweight and elastic to absorb the shock. Nylon perfectly fits these requirements. 🪂
Ropes: High-strength ropes, especially for activities like rock climbing, are made from nylon because of its tensile strength and ability to stretch slightly, which helps absorb the impact of a fall.
Sleeping Bags: The outer shells of sleeping bags are often made from nylon due to its toughness and resistance to abrasion and moisture.

While Polyester is also a strong synthetic fibre used in ropes and sleeping bags (especially as insulation), Nylon is the classic and most suitable material across all three applications mentioned, particularly for parachutes. Rayon is not strong or durable enough for these uses.

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