海船船员考试

单选题At all angles of inclination,the true measure of a vessel’s stability is the().A metacentric heightB displacementC righting momentD inclining moment

题目
单选题
At all angles of inclination,the true measure of a vessel’s stability is the().
A

metacentric height

B

displacement

C

righting moment

D

inclining moment

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相似问题和答案

第1题:

A single vertical magnet placed underneath the compass in the binnacle is used to compensate for ______.

A.The horizontal component of the permanent magnetism

B.Deviation caused by the vessel's inclination from the vertical

C.Induced magnetism in the horizontal soft iron

D.Induced magnetism in the vertical soft iron


正确答案:B

第2题:

Concerning the identification signal for a pilot vessel, in fog, which statement is TRUE?___.

A.When at anchor, the pilot vessel is only required to sound anchor signals

B.The identification signal must be sounded any time the pilot vessel is underway

C.The pilot vessel may only sound the identity signal when making way

D.All of the above


正确答案:A
雾中有关引水船的识别信号,哪句是正确的?当锚泊时,引水船仅被要求鸣放锚泊船信号.

第3题:

Cross curves of stability show which of the following?

A.The righting arms at various angles of inclination and displacement

B.The metacentric height at large angles of heel

C.The height of the center of buoyancy at various angles

D.The metacentric radius at various displacements


正确答案:A

第4题:

单选题
Inclination of the vessel to port side or starboard side defines().
A

Tip

B

Capsize

C

List

D

Trim


正确答案: D
解析: 暂无解析

第5题:

GM cannot be used as an indicator of stability at all angles of inclination because ______.

A.M is not fixed at large angles

B.there is no M at large angles

C.G is not fixed at large angles

D.there is no G at large angles


正确答案:A
GM值不能用于表示船舶所有倾斜角的稳性因为在大的横倾角时M点不是固定点。

第6题:

At all angles of inclination, the metacenter is ______.

A.vertically above the center of buoyancy

B.vertically above the center of gravity

C.at the intersection of the upright vertical centerline and the line of action of the buoyant force

D.at the geometric center of the underwater volume


正确答案:A
在所有的倾斜角中,横稳心在浮心的垂直上方。

第7题:

For small angles of inclination, if the KG were equal to the KM, then the vessel would have __________.

A.position stability

B.negative stability

C.neutral stability

D.maximum stability


正确答案:C
对于小角度倾角,如果KG和KM相等,船舶成随遇平衡状态。

第8题:

That REMOVE ANY LIST ON THE V/L AFTER EACH WATCH END means that ______.

A.any list,no matter where it is posted,shall be removed prior to ending his watch by the OOW

B.the vessel should not be removed

C.any and all lists on board the vessel should be taken off

D.the inclination of the vessel should be corrected prior to ending his watch by the OOW


正确答案:D

第9题:

If the vertical center of gravity (VCG) of a ship rises 1.7 feet, the righting arm (GZ) for the various angles of inclination will ______.

A.decrease

B.increase

C.remain unchanged

D.be changed by the amount of GG’ x cosine of the angle


正确答案:A
假如船舶的垂直重心高度(VCG)上升1.7英尺,回复力矩(GZ)在不同的倾斜角时将减少。

第10题:

单选题
What is TRUE of the history display of a target’s past positions on an ARPA?()
A

It provides a graphic display to emphasize which vessel is on a collision course

B

In the true presentation,it provides a quick visual check to determine if a vessel has changed course

C

The display is one of the primary inputs and must be in use when using the trial maneuver capability

D

It provides a graphic display of a target vessel's relative course,speed,and CPA


正确答案: C
解析: 暂无解析

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