UPSC Previous Year Question | Prelims GS | 2023

Consider the following statements: 1. Carbon fibres are used in the manufacture of components used in automobiles and aircrafts. 2. Carbon fibres once used cannot be recycled. Which of the statements given above is/are correct?

  1. 1 only
  2. 2 only
  3. Both 1 and 2
  4. Neither 1 nor 2

Answer

Correct Answer

1 only

Explanation

Carbon fibres are indeed used in automobile and aircraft components (statement 1 true) for their high strength-to-weight ratio. However, carbon fibres can be recycled through various processes (e.g., pyrolysis), so statement 2 is false.

Topics: carbon fibre, materials science, recycling, science and technology