Question 2434Deck Safety70% to pass
Use the floodable length curve in Section 1, the blue pages, of the Stability Data Reference Book. If the curve represents 45 percent permeability and number 1 hold floods, the vessel will sink if the permeability exceeds what percent?
AI Explanation
The correct answer is C) 71 percent.
The floodable length curve in Section 1 of the Stability Data Reference Book represents the maximum allowable permeability for a vessel to remain afloat with the number 1 hold flooded. Since the curve is based on 45 percent permeability, the vessel will sink if the permeability exceeds 71 percent. This is because the vessel's stability and reserve buoyancy will be compromised if the actual permeability is higher than the designed 45 percent.
The other options are incorrect because 63 percent (A) and 66 percent (B) are below the actual permeability threshold of 71 percent, while 77 percent (D) is above the threshold.
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