Multiple choice general knowledge

One of the materials used for making surface plate is

  1. brass

  2. granite

  3. wood

  4. stainless steel
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Granite is extensively used for surface plates in metrology and precision measurement due to its excellent dimensional stability, wear resistance, and ability to maintain a flat surface over time. Granite has natural hardness, low thermal expansion, and good vibration damping properties.

Keep practicing — related questions