Question 708 Deck General

70% to pass

U.S. regulations require a responsible person to be present at all times when the hatches of spaces containing Class 1 explosive materials are open. When is the responsible person released from the duty of attendance?

A when the final paperwork has been completed for the Class 1 Explosives in the hold

B when all cargo operations have been completed and the vessel is ready to depart

C when the responsible person has been relieved by another officer

D when the hatches for the hold containing Class 1 Explosives have been secured

AI Explanation

The correct answer is D) when the hatches for the hold containing Class 1 Explosives have been secured. The regulation requires a responsible person to be present at all times when the hatches of spaces containing Class 1 explosive materials are open. This is to ensure the safety and security of the explosives. Once the hatches have been secured, the responsible person's duty of attendance is released, as the explosives are no longer accessible. The other answer choices do not address the specific requirement of the hatches being secured, which is the key factor in relieving the responsible person's duty.

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