正确答案: A

A．漂心

题目：船舶的平均吃水通常是指船舶（）处的吃水。

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学习资料的答案和解析：

[单选题]某轮船长200m，漂心在船中前0.50m，dF=10.20m，dA=12.35m，则该轮的漂心修正量为（）m。

D．-0.005

[单选题]某船由密度为ρ1=1.021g/cm3的水域驶入密度为ρ2=1.004g/cm3的水域，船舶排水量Δ=12015t，每厘米吃水吨数TPC=16.82t/cm，则船舶平均吃水改变量为（）cm。

B．12

[单选题]某船正浮时由淡水进入海水，漂心在浮心之前，则在海水中时（）。

A．首倾

[单选题]The TPC curve，one of the hydrostatic curves in a vessel’s plans，gives the number of tons（）.

necessary to further immerse the vessel 1 cm at a given draft

[单选题]A load line is assigned to a ship to insure adequate stability and（）.

structural strength

[单选题]The point to which your vessel’s center of gravity (G) may rise and still permit the vessel to have positive stability is called the（）.

metacenter

[单选题]To calculate the free surface correction，it is necessary to divide the free-surface moments by the（）.

total displacement

[单选题]When a vessel is inclined by an external force，the（）.

vessel's center of buoyancy shifts to the center of the vessel's underwater hull