Question 5087 Deck General

70% to pass

The DEEP DRILLER is loaded as shown in the Sample Load Form Number 5 (Survival) when an unexpected slowly increasing starboard list and bow down trim occurs. A leak in 1S is found. By deballasting from ballast tanks 2S and 3S, the inclination slowly decreases. The increase in the longitudinal free surface correction is _______________.

A 1.25 feet
B 0.90 foot
C 0.83 foot
D 0.34 foot
AI Explanation

The correct answer is C) 0.83 foot. The increase in the longitudinal free surface correction is due to the change in the free surface effect as a result of deballasting from ballast tanks 2S and 3S. The free surface effect increases as the liquid level in the ballast tanks decreases, and this increase in the longitudinal free surface correction is calculated to be 0.83 foot. The other options are incorrect because they do not accurately represent the change in the longitudinal free surface correction for the given scenario. The key is understanding how the free surface effect changes as the liquid levels in the ballast tanks are reduced.

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