【名词&注释】
排水量(displacement)、外力作用(exogenous process)、变量计算(variable calculate)、横坐标(abscissa)
[单选题]某轮在某装载状态下的一处水线位于水尺标志“④~⑤”字体间距的一半处,则该处的吃水为()。
A. A.4ft3in
B. B.4ft9in
C. C.5ft
D. D.5ft3in
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学习资料:
[单选题]船舶受外力作用发生横倾前后的重力(),重心横坐标(abscissa)()。
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]某轮到港时排水量Δ=15000t,dM=8.15m,TPC=25t/cm。现在港卸货1000t后又加载500t,之后由标准海水区域进入水密度为1.006g/cm3的区域,其吃水为()m。
A. A.7.66
B. B.7.86
C. C.8.06
D. D.8.26
[单选题]船舶进出不同水密度水域时平均吃水改变量计算公式为。公式中,密度ρs为()。
A. A.新水域的水密度
B. B.原水域的水密度
C. C.标准海水密度
D. D.标准淡水密度
[单选题]The difference between the starboard and port drafts caused by shifting a weight transversely is().
A. list
B. heel
C. trim
D. flotatio
[单选题]()refers to the depth of a vessel below the waterline,measured vertically to the lowest part of the hull,propellers or other reference points.
A. Free board
B. Stability height
C. Metacentric height
D. Draft
[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().
A. metacentric point
B. metacenter
C. metacentric radius
D. tipping center
[单选题]The ship has()of more than 10 meters at full load.
A. an engine
B. an overall length
C. a displacement
D. a draft
[单选题]Where must the draft marks be placed on a small passenger vessel? ()
A. On each side of the stem
B. Near the stern post or rudder post
C. At each end of the vessel
D. All of the above
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