If a clearance of 9 ft is available, can the vessel pass when the mast is up?

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Multiple Choice

If a clearance of 9 ft is available, can the vessel pass when the mast is up?

Explanation:
The key idea is that you must have more vertical space than your vessel’s height with the mast up. Here, the mast-up height is 9 ft 10 in (about 9.83 ft), which is taller than the available 9 ft clearance. That means there isn’t enough clearance to pass safely. So you cannot pass with the mast up. The option implying it’s still within 9 ft is incorrect because 9 ft 10 in exceeds 9 ft, and the option of not enough information isn’t applicable since the heights are given.

The key idea is that you must have more vertical space than your vessel’s height with the mast up. Here, the mast-up height is 9 ft 10 in (about 9.83 ft), which is taller than the available 9 ft clearance. That means there isn’t enough clearance to pass safely. So you cannot pass with the mast up. The option implying it’s still within 9 ft is incorrect because 9 ft 10 in exceeds 9 ft, and the option of not enough information isn’t applicable since the heights are given.

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