The number of hull designs that minimize cargo outflow in grounding or collision is three.

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Multiple Choice

The number of hull designs that minimize cargo outflow in grounding or collision is three.

The idea being tested is how many hull configurations provide multiple barriers to keep cargo from leaking if the hull is damaged in grounding or collision. In tanker design, containment is improved by adding barrier layers between the cargo tanks and the sea. The common ways this is categorized are three distinct barrier concepts: a hull with a single protective barrier, a hull with two barriers, and a hull with three barriers. Each additional barrier adds another line of defense against cargo outflow, so there are three recognized hull designs that address this issue. The other counts would miss one of these standard configurations, so three is the best answer.

The idea being tested is how many hull configurations provide multiple barriers to keep cargo from leaking if the hull is damaged in grounding or collision. In tanker design, containment is improved by adding barrier layers between the cargo tanks and the sea. The common ways this is categorized are three distinct barrier concepts: a hull with a single protective barrier, a hull with two barriers, and a hull with three barriers. Each additional barrier adds another line of defense against cargo outflow, so there are three recognized hull designs that address this issue. The other counts would miss one of these standard configurations, so three is the best answer.

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