Which one among the following is a solid lubricant? Dry lubricant

Which one among the following is a solid lubricant? Dry lubricant
| Which one among the following is a solid lubricant?

A. Germanium

B. Sulphur

C. Graphite

D. Indium

Please scroll down to see the correct answer and solution guide.

Right Answer is: C

SOLUTION


  • Dry lubricants or solid lubricants are materials which despite being in the solid phase, are able to reduce friction between two surfaces sliding against each other without the need for a liquid oil medium.

  • The two main dry lubricants are graphite and molybdenum disulfide.