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
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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.