船舶浮性题库2022免费模拟考试题173

1. [单选题]船舶受外力作用发生横倾前后的重力（），重心横坐标（）。

A. A．相等；不变
B. B．相等；改变
C. C．不等；改变
D. D．不等；不变

2. [单选题]以下（）措施有利于提高观测吃水的精度。

A. A．利用吊板、绳梯或小艇使观测者与水尺的观测位置尽可能接近
B. B．观测者视线与水面的角度应尽可能减小，观测者视线应尽可能与曲面表面垂直
C. C．携小尺至水尺的水线处，量取水线的确切位置
D. D．以上均是

3. [单选题]根据定义，船舶实际平均吃水比其型平均吃水大（）。

A. A．平板龙骨厚度
B. B．船壳板厚度
C. C．干舷甲板厚度
D. D．间舱甲板厚度

4. [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

5. [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

6. [单选题]在水尺标志中，其数字高度和两数字间距（）。

A. A．公制为10cm，英制为3in
B. B．公制为10cm，英制为6in
C. C．公制为5cm，英制为3in
D. D．公制为5cm，英制为6in

7. [单选题]The Plimsoll mark on a vessel is used to（）.

A. align the vessel's tailshaft
B. determine the vessel's trim
C. determine the vessel's freeboard
D. locate the vessel's centerline

8. [单选题]Your vessel is damaged with no list，but down by the stern. There is progressive flooding and trim by the stern is increasing. What is the effect on transverse stability after the deck edge at the stern is submerged?（）

A. KB increases，increasing BM and therefore GM
B. KG increases due to the weight of the added water on deck
C. BM decreases from loss of water plane and greater volume
D. There is no effect on transverse stability

9. [单选题]A vessel’s LCG is determined by（）.

A. dividing the total longitudinal moment summations by displacement
B. dividing the total vertical moment summations by displacement
C. multiplying the MTC by the longitudinal moments
D. subtracting LCF from LCB

10. [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

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