船舶浮性题库

[单选题]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 . decreaseB . increaseC . remain unchangedD . be changed by the amount of GG' x cosine of the angle

[单选题]The term that indicates how many tons of cargo a vessel can carry is（）.A . bale cubicB . deadweightC . gross tonnageD . loaded displacement

[单选题]当（）时，船舶首尾平均吃水小于等容吃水。A .尾倾且漂心在船中后B .尾倾且漂心在船中前C .首倾且漂心在船中前D .A或C

[单选题]对于箱形船而言，船舶的每厘米吃水吨数TPC随船舶吃水的增加而（）。A .增加B .不变C .减少D .A、B均是

[单选题]某轮吃水d=7.00m时水线面面积AW=1200m2，则对应的淡水厘米吃水吨数为（）t/cm。A .12.0B .12.3C .13.0D .13.5

[单选题]The waterplane area is described as the intersection of the surface of the water in which a vessel floats and the（）.A . baselineB . vertical reference planeC . hullD . horizontal reference plane

[单选题]What should you apply to a fathometer reading to determine the depth of water?（）A . Subtract the draft of the vesselB . Add the draft of the vesselC . Subtract the sea water correctionD . Add the sea water correctio

[单选题]The Plimsoll mark on a vessel is used to（）.A . align the vessel's tailshaftB . determine the vessel's trimC . determine the vessel's freeboardD . locate the vessel's centerline

[单选题]Aboard a vessel，dividing the sum of the longitudinal moments by the total weight yields the vessel’s（）.A . inclining momentsB . righting momentsC . vertical momentsD . longitudinal position of the center of gravity

[单选题]当（）时，船舶首尾平均吃水等于等容吃水。A .尾倾且漂心在船中前B .尾倾且漂心在船中后C .尾倾且漂心在船中D .以上都有可能

[单选题]The magnitude of a moment is the product of the force and（）.A . timeB . lever armC . displacementD . angle of inclinatio

[单选题]The ship has（）of more than 10 meters at full load.A . an engineB . an overall lengthC . a displacementD . a draft

[单选题]The point to which your vessel’s center of gravity (G) may rise and still permit the vessel to have positive stability is called the（）.A . metacentric pointB . metacenterC . metacentric radiusD . tipping center

[单选题]海水密度的增加（）。A .将减小船舶的排水量B .将增加船舶的排水量C .不影响排水量D .对排水量的影响不能确定

[单选题]From（）the information concerning the tons per inch or centimeter immersion of a vessel shall be usually found.A . Stability curveB . Deadweight scaleC . Table of AzimuthD . Freeboard assignment

[单选题]The ship should have a slightly deeper draft（）.A . on port sideB . on starboard sideC . at the port quarterD . at the ster

[单选题]The upward pressure of displaced water is called（）.A . buoyancyB . deadweightC . draftD . freeboard

[单选题]The amount of freeboard which a ship possesses has a tremendous effect on its（）.A . initial stabilityB . free surfaceC . stability at large angles of inclinationD . permeability

[单选题]A neutral equilibrium position for a vessel means that the metacenter is（）.A . lower than the keelB . at the same height as the center of gravityC . exactly at midshipsD . at the center of the waterplane area

[单选题]An unstable upright equilibrium position on a vessel means that the metacenter is（）.A . lower than the center of gravityB . at the same height as the center of gravityC . higher than the baselineD . on the longitudinal centerline

[单选题]Aboard a vessel，multiplying a load’s weight by the distance of the load’s center of gravity from the centerline results in the load’s（）.A . TCGB . transverse momentC . righting momentD . transverse free surface moment

[单选题]What is not usually a concern when loading a single-hulled tanker?（）A . Bending momentsB . Initial stabilityC . DraftD . Trim

[单选题]当（）时，船舶首尾平均吃水大于等容吃水。A .尾倾且漂心在船中前B .尾倾且漂心在船中后C .首倾且漂心在船中后D .A或C

[单选题]船舶的每厘米吃水吨数TPC在数值上等于（）。A .平均吃水变化1cm时船舶浮力的改变量B .平均吃水变化1cm时船舶排水量的改变量C .正浮时排水量变化1t船舶其吃水变化的厘米数D .A、B均是

[单选题]某轮漂心在船中前，则船舶的船中平均吃水（）船舶等容平均吃水。A .大于B .小于C .等于D .不能确定

[单选题]船舶的每厘米吃水吨数TPC曲线的用途主要是计算船舶（）。Ⅰ.吃水差的改变量；Ⅱ.平均吃水改变量；Ⅲ.初稳性高度的变化量；Ⅳ.装载量的变化值；Ⅴ.重心高度的变化量。A .Ⅰ，Ⅱ，ⅢB .Ⅱ，ⅢC .Ⅱ，ⅣD .Ⅲ，Ⅳ，Ⅴ

[单选题]某轮吃水d=9.0m，水线面面积AW=1800m2，则此时船舶的海水厘米吃水吨数为（）。A .16.0B .18.1C .18.45D .16.4

[单选题]将少量载荷装于船舶漂心垂线处时，则船舶（）。A .首尾吃水不变B .吃水差不变，平行下沉C .首吃水减少，尾吃水增加D .首吃水增加，尾吃水减少

[单选题]A vessel’s LCG is determined by（）.A . dividing the total longitudinal moment summations by displacementB . dividing the total vertical moment summations by displacementC . multiplying the MTC by the longitudinal momentsD . subtracting LCF from LCB

[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 cubicB . deadweightC . gross tonnageD . loaded displacement