船舶浮性题库模拟考试174

1. [单选题]船舶平均吃水等于首吃水与尾吃水之和的0.5倍成立的条件是（）。

A. A．漂心与稳心重合
B. B．浮心与重心重合
C. C．稳心和重心重合
D. D．漂心在船中

2. [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

3. [单选题]当漂心位于船中但有拱垂时，按计算的平均吃水的精度（）。

A. A．与吃水大小有关
B. B．与拱垂大小有关
C. C．与水密度有关
D. D．与吃水差大小有关

4. [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%

5. [单选题]船舶由半淡水水域驶入海水水域时，船舶所受浮力（）。

A. A．减少
B. B．增加
C. C．不变
D. D．变化不定

6. [单选题]某轮装载后尾倾，则船舶的等容平均吃水（）船舶的船中平均吃水。

A. A．大于
B. B．小于
C. C．等于
D. D．取决于船舶漂心相对于船中的位置

7. [单选题]Your vessel was damaged and initially assumed a significant list and trim; however，further increase has been slow. Based on this data，what should you expect?（）

A. The slowing is only temporary and the vessel will probably suddenly capsize or plunge from loss of stability due to change in the waterplane area
B. The vessel can probably be saved if further flooding can be stopped
C. The vessel will continue to slowly list and/or trim due to the free surface effect and free communication effect
D. The vessel will suddenly flop to the same or greater angle of list on the other side and may capsize

8. [单选题]Beams are cambered to（）.

A. increase their strength
B. provide drainage from the decks
C. relieve deck stress
D. All of the above

9. [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

10. [单选题]What should you apply to a fathometer reading to determine the depth of water?（）

A. Subtract the draft of the vessel
B. Add the draft of the vessel
C. Subtract the sea water correction
D. Add the sea water correctio

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