Question 703 Deck General
70% to passYour vessel is loading Class 1 explosives using the vessel's cranes. What style of hook or shackle are you required to use to attach the lifting sling to the runner?
A
a safety hook with the latch locked open
B
an open hook to facilitate cargo operations
C
a hook that has been closed by wire
D
a screw-pin shackle painted yellow
AI Explanation
The correct answer is C) a hook that has been closed by wire. The regulations require the use of a hook that has been closed by wire or other positive means when handling Class 1 explosives. This is to prevent the hook from accidentally opening and allowing the cargo to be dropped, which could be extremely hazardous. The other options are not suitable - a safety hook with the latch open (A) would not provide the necessary security, an open hook (B) is not allowed, and a screw-pin shackle (D) is not the appropriate attachment device for this type of lifting operation.
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