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For an Oldham coupling used between two shafts, which among the following statements are correct? I. Torsional load is transferred along shaft axis. II. A velocity ratio of 1:2 between shafts is obtained without using gears. III. Bending load is transferred transverse to shaft axis. IV. Rotation is transferred along shaft axis.

1. I and III
2. I and IV
3. II and III
4. II and IV

Correct answer: I and IV

Solution

The correct options I and IV are accurate because an Oldham coupling transfers torsional loads and rotational motion along the shaft axis, ensuring that the shafts maintain their alignment while accommodating angular misalignment.

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