【名词&注释】
外力作用(exogenous process)、船舶排水量(ship displacement)
[单选题]When a vessel is inclined by an external force,the().
A. shape of the vessel's underwater hull remains the same
B. vessel's center of gravity shifts to the center of the vessel's underwater hull
C. vessel's center of buoyancy shifts to the center of the vessel's underwater hull
D. vessel's mean draft increase
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学习资料:
[单选题]船舶受外力作用发生纵倾前后的重力(),重心位置()。
A. A.相等;不变
B. B.相等;改变
C. C.不等;改变
D. D.不等;不变
[单选题]船舶平行沉浮的条件是:少量载荷增减于()的垂直线上。
A. A.漂心
B. B.稳心
C. C.浮心
D. D.重心
[单选题]船舶的漂心F是指()。
A. A.船舶排水体积的形心
B. B.船舶水线面面积的几何中心
C. C.船舶所受重力的作用中心
D. D.船舶倾斜前后两条浮力作用线的交点
[单选题]船舶的每厘米吃水吨数TPC在数值上等于()。
A. A.平均吃水变化1cm时船舶浮力的改变量
B. B.平均吃水变化1cm时船舶排水量的改变量
C. C.正浮时排水量变化1t船舶其吃水变化的厘米数
D. D.A、B均是
[单选题]As the displacement of a vessel increases,the detrimental effect of free surface().
A. increases
B. decreases
C. remains the same
D. may increase or decrease depending on the fineness of the vessel's form
[单选题]For a floating vessel,the result of subtracting KG from KM is the().
A. height of the metacenter
B. height of the righting arm
C. height of the center of buoyancy
D. metacentric height
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