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Q6. A. What do you understand by reserve buoyancy what will happen if the lost buoyancy is greater than the reserve buoyancy.

B. A ship of 8100 tonne displacement floats upright in seawater. KG = 7.5m and GM = 0.45m A tank, whose centre of gravity is 0.5m above the keel and 4m from the centreline, contains 100 tonne of water ballast neglecting free face effect, calculate the angle of heel when the ballast is pumped out.