Q. Ball bearing type screws

(A) Sliding friction is replaced by rolling friction
(B) There is a ball bearing provided on the screwed shafts
(C) Are self-locking
(D) Friction is more

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✅ Correct Answer: (A) Sliding friction is replaced by rolling friction

Published by Mr. Dubey ⭐ 111.54K Points at 20-Sep-2023 12:38 pm in Machine Design

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