Question 1817 Deck Safety

70% to pass

A large basin cut into the shore, closed off by a caisson, and used for dry docking of ships is known as a _______________.

A graving dock
B ground warp
C slipway
D caisson dock
AI Explanation

The correct answer is A) graving dock. A graving dock is a large basin cut into the shore, closed off by a caisson (a watertight chamber), and used for dry docking of ships. This allows ships to be inspected, repaired, or maintained out of the water. The caisson can be moved to allow the ship to float in or out of the dock. This is the standard definition and construction of a graving dock, making it the correct choice. The other options are incorrect - a ground warp is a method of moving a ship using ropes or cables, a slipway is an inclined structure used to launch or recover ships, and a caisson dock is not a recognized term in this context.

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Official Resources
46 CFR Lifesaving Equipment USCG Marine Safety Center USCG National Maritime Center
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