单项选择题
What is the principal danger from the liquid in a half full tank onboard a vessel?（）
A.Corrosion from the shifting liquid B.Rupturing of bulkheads from the shifting liquid C.Loss of stability from free surface effect D.Holing of the tank bottom from the weight of the shifting liquid
单项选择题 What is the definition of transverse metacenter?（）
单项选择题 To prevent loss of stability from free communication flooding you should（）.
单项选择题 To improve your vessel’s stability in a hazardous situation，you should（）.
