Multiple choice

Which of the following is consists of extremely thin fibers?

  1. Char

  2. Biochar

  3. Carbon fiber

  4. Aggregated diamond nanorods

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

Carbon fiber alternatively graphite fiber, carbon graphite or CF, is a material consisting of extremely thin fibers about 5-10 μm in diameter and composed mostly of carbon atoms. The carbon atoms are bonded together in microscopic crystals that are more or less aligned parallel to the long axis of the fiber.