Q. In an open pair, the two elements of a pair

(A) Have a surface contact when in motion
(B) Have a line or point contact when in motion
(C) Are kept in contact by the action of external forces, when in motion
(D) Are not held together mechanically

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✅ Correct Answer: (D) Are not held together mechanically

Published by Mr. Dubey ⭐ 104.82K Points at 24-Sep-2023 10:29 pm in Theory Of Machine

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