As the displacement of a vessel increases，the detrimental e

【名词&注释】

排水量(displacement)

[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

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学习资料：

[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

[单选题]当船舶某装载状态下的某处水线达到水尺标志的数字的（）处时，则该处的吃水为该数字加上5cm。

A. A．中间
B. B．顶边缘
C. C．底边缘
D. D．1/3处

[单选题]当船舶某装载状态下的某处水线达到水尺标志的数字的（）处时，则该处的吃水读数即为该数字。

A. A．顶边缘
B. B．底边缘
C. C．中间
D. D．1/3处

[单选题]船舶由水密度ρ=1.010g/cm3的水域驶入标准海水水域，吃水约减小（）。

A. A．1.5%
B. B．3.0%
C. C．4.5%
D. D．6.0%

[单选题]为保持某轮在相对密度为1.008的水域中与在标准海水中的吃水不变，需卸下货物322t，则该轮在标准海水中的排水量为（）t。

A. A．19092.7
B. B．19414.7
C. C．13202.4
D. D．条件不足，无法计算

[单选题]What is not usually a concern when loading a single-hulled tanker?（）

A. Bending moments
B. Initial stability
C. Draft
D. Trim

[单选题]An unstable upright equilibrium position on a vessel means that the metacenter is（）.

A. lower than the center of gravity
B. at the same height as the center of gravity
C. higher than the baseline
D. on the longitudinal centerline

[单选题]For a floating vessel，the center of flotation is the point in the waterplane（）.

A. about which the vessel lists and trims
B. which coincides with the center of buoyancy
C. which，in the absence of external forces，is always vertically aligned with the center of gravity
D. which is shown in the hydrostatic tables as VCB

[单选题]The total weight of cargo，fuel，water，stores，passengers and crew，and their effects，that a ship can carry，is the（）.

A. bale cubic
B. deadweight
C. gross tonnage
D. loaded displacement

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