Lubrication: Identify the material commonly used as a dry lubricant. Consider layered structures that shear easily. Choose the correct material.
General Knowledge
General Science
Difficulty: Easy
Choose an option
-
AGraphite
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BSilica
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CIron oxide
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DDiamond
Answer
Correct Answer: Graphite
Explanation
Given data
- Task: Choose a lubricant material from common solids.
Concept/Approach Graphite has layered sp2 sheets with weak interlayer forces; layers slide easily → excellent dry lubricant.
Final Answer Graphite