During a single O sweep, what is the specified scope to pay out sweep wire under power?

The specified scope to pay out sweep wire under power during a single O sweep is indeed 25 fathoms. This measurement is critical as it ensures that the sweep wire reaches the optimal depth and distance to effectively carry out its function while minimizing the risk of entanglements and maximizing the efficiency of the sweep operation.

Using 25 fathoms provides a balance between ensuring adequate coverage of the area being swept and managing the tension on the wire. This particular length helps to maintain control over the equipment while allowing the sweep to be effective in its task, which is essential for safety and operational integrity. The other options, while providing different lengths, do not adhere to the established standard for this operation, which is why 25 fathoms is the correct choice.