HomeEngineeringWhen the nature of contact between the elements of a pair is such that it can turn or revolve about a fixed axis, the pair is known as a rolling pair. 13420. When the nature of contact between the elements of a pair is such that it can turn or revolve about a fixed axis, the pair is known as a rolling pair.By Admin / September 13, 2025 Correct Incorrect ✅ The correct answer is option B.
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