【名词&注释】
排水量(displacement)、外力作用(exogenous process)
[单选题]The waterplane area is described as the intersection of the surface of the water in which a vessel floats and the().
A. baseline
B. vertical reference plane
C. hull
D. horizontal reference plane
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[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]某轮在某装载状态下的某处水尺标志如图所示,则该处吃水为()。
A. A.6.80m
B. B.6.90m
C. C.6.95m
D. D.7.00m
[单选题]某轮排水量Δ=17272t,由密度为ρ1=1.014g/cm3的水域驶入密度为ρ2=1.002g/cm3,每厘米吃水吨数TPC=24.18t,则其平均吃水改变量为()m。
A. A.0.061
B. B.0.069
C. C.0.078
D. D.0.086
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