In small angle stability,the metacentric height().

题目
单选题
In small angle stability,the metacentric height().
A

is found in the hydrostatic tables for a level vessel

B

multiplied by the displacement yields the righting moment

C

is always positive

D

is calculated by subtracting KG from KM

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第1题:

For a floating vessel, the result of subtracting KG from KM is the ______.

A.height of the metacenter

B.height of the righting arm

C.height of the center of buoyancy

D.metacentric height


正确答案:D
对于漂浮的船舶,KM减去KG的结果是稳性高度。

第2题:

If the result of loading a vessel is an increase in the height of the center of gravity, there will always be an increase in the ______.

A.metacentric height

B.righting arm

C.righting moment

D.vertical moments


正确答案:D
假如装船的结果使船舶重心升高,那将总是使垂向力矩减少。

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:

Metacentric height is a measure of ______.

A.initial stability only

B.stability through all angles

C.maximum righting arm

D.All of the above


正确答案:A
稳性高度仅衡量船舶初稳性。

第5题:

In small angle stability, when external forces exist, the buoyant force is assumed to act vertically upwards through the center of buoyancy and through the ______.

A.center of gravity

B.center of flotation

C.metacenter

D.metacentric height


正确答案:C
在小倾角稳性时,当有外力存在,浮力应通过浮心和稳心垂直向上。

第6题:

If the metacentric height is large, a floating vessel will ______.

A.be tender

B.have a slow and easy motion

C.be stiff

D.have a tendency to yaw


正确答案:C
假如稳性高度很大,漂浮的船将不容易倾覆(稳性过大)。

第7题:

In small angle stability, the metacentric height ______.

A.is found in the hydrostatic tables for a level vessel

B.multiplied by the displacement yields the righting moment

C.is always positive

D.is calculated by subtracting KG from KM


正确答案:D
在小角度稳性中,稳性高度通过KG减KM被计算出来。

第8题:

Reducing free surfaces has the effect of lowering the ______.

A.uncorrected KG

B.virtual height of the center of gravity

C.metacenter

D.metacentric height


正确答案:B

第9题:

Increasing the number of slack liquid tanks has the effect of raising the ______.

A.uncorrected KG

B.maximum allowed KG

C.virtual height of the center of gravity

D.metacentric height


正确答案:C
未满液体舱室的增加致使实际重心高度的上升。

第10题:

单选题
The angle to which a floating ship,with a negative initial metacentric height,lies while at rest in still water is the angle of().
A

trim

B

yaw

C

heel

D

loll


正确答案: A
解析: 暂无解析

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