Multiple choice

Which one of the following is used as a filler in rubber tyres?

  1. Graphite

  2. Coke

  3. Carbon black

  4. Charcoal

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

Carbon black is added to rubber tyres as a reinforcing filler. It improves tyre strength, durability, and resistance to wear and UV damage. Graphite and charcoal are not used in tyre manufacturing, while coke is a fuel material.