Question 4578 Deck General

70% to pass

The type of shackle used in making up tow lines to a MODU should be _______________.

A anchor
B screw pin
C chain
D safety
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.

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