Q. The coefficient of friction will be least in case of

(A) Leather on metal
(B) Asbestos on metal in oil
(C) Metal on metal
(D) Sintered metal on cast iron in oil

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✅ Correct Answer: (D) Sintered metal on cast iron in oil

Published by Mr. Dubey ⭐ 104.84K Points at 20-Sep-2023 12:41 pm in Machine Design

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