Multiple choice

Which of the following condition makes the Diamond to use for making rock bores for drilling oil walls?

  1. Softness

  2. Great Hardness

  3. a & b both

  4. None of these

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

Diamond is the hardest known natural material, which makes it ideal for industrial applications like rock drilling bores where extreme durability is required.