Question 4578Deck General70% to pass
The type of shackle used in making up tow lines to a MODU should be _______________.
AI Explanation
The correct answer is D) safety.
The type of shackle used in making up tow lines to a MODU (Mobile Offshore Drilling Unit) should be a safety shackle. Safety shackles have a locking pin or other mechanism that prevents the shackle from inadvertently opening, which is important for the secure connection of tow lines. This is a safety requirement specified in the regulations governing towing operations with MODUs.
The other options are incorrect because: A) anchor shackles are not suitable for tow lines, B) screw pin shackles do not have the necessary locking mechanism, and C) chain is not a type of shackle.
Related Questions
#4576 In selecting a tug for moving a MODU, consideration should be given to its _______________.#4577 A semisubmersible rig under tow should be ballasted down if _______________.#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 _______________.#4581 When a semisubmersible rig under tow experiences pounding on the forward transverse brace, the surest way to alleviate the condition would be to _______________.