📊 Machine Design
Q. In nylon bearings operate at very high rpm molybdenum disulphide as used mainly to
  • (A) assists in heat dissipation
  • (B) provide porous bearing media for vibration absorption
  • (C) Increasing the diameter of threaded portion
  • (D) improve mechanical and lubricating properties
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✅ Correct Answer: (D) improve mechanical and lubricating properties

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