Question 4581Deck General70% to pass
When a semisubmersible rig under tow experiences pounding on the forward transverse brace, the surest way to alleviate the condition would be to _______________.
AI Explanation
The correct answer is D) ballast down.
When a semisubmersible rig under tow experiences pounding on the forward transverse brace, the surest way to alleviate the condition is to ballast down the rig. Ballasting down the rig will increase its draft and submerge more of the structure, reducing the impact of waves on the forward transverse brace and minimizing the pounding.
The other options are not as effective in addressing the pounding issue. Slowing down the tug (A) may help somewhat, but does not directly address the structural impact. Changing course (B) may not be feasible or effective. Adjusting the tow line length (C) is unlikely to significantly impact the pounding on the forward transverse brace.
Related Questions
#4579 When a semisubmersible rig under tow veers from side to side on its tow line, the best way of controlling the action is to _______________. #4580 The condition where a MODU on the end of a tow line is riding a wave crest at the same time as its tug rides a wave crest is known as riding in _______________.#4582 When cargo aboard a jack-up in transit becomes adrift, the tow vessel should be asked to _______________.#4583 The COASTAL DRILLER is in ocean transit in which the winds are not expected to exceed 70 knots. In order to meet the leg strength requirements, the tip of can (TOC) position should be at _______________.#4584 The COASTAL DRILLER, while in transit, expects the winds to increase to 75 knots. In order to meet the stability and leg strength requirements, the tip-of-can (TOC) position should be at _______________.