船舶浮性题库

[单选题]Vessel shall possess（）valid for duration of charter Party showing winches and derricks in order.A . International Cargo Gear CertificateB . International Loadline CertificateC . International Safety Construction CertificateD . International Seaman Id

[单选题]As the displacement of a vessel increases，the detrimental effect of free surface（）.A . increasesB . decreasesC . remains the sameD . may increase or decrease depending on the fineness of the vessel's form

[单选题]For a floating vessel，the center of flotation is the point in the waterplane（）.A . about which the vessel lists and trimsB . which coincides with the center of buoyancyC . which，in the absence of external forces，is always vertically aligned with the

[单选题]What DOCS SALT WATER DRAFT means?（）.A . It means summer draftB . It means Maximum draftC . It means Fresh Water draftD . It means Seawater Draft

[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 f

[单选题]船舶的漂心F是指（）。A .船舶排水体积的形心B .船舶水线面面积的几何中心C .船舶所受重力的作用中心D .船舶倾斜前后两条浮力作用线的交点

[单选题]Beams are cambered to（）.A . increase their strengthB . provide drainage from the decksC . relieve deck stressD . All of the above

[单选题]船舶平行沉浮的条件是：少量载荷增减于（）的垂直线上。A .漂心B .稳心C .浮心D .重心

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

[单选题]The TPC curve，one of the hydrostatic curves in a vessel’s plans，gives the number of tons（）.A . necessary to change the angle of list 1°at a given draftB . necessary to change trim 1 cm at a given draftC . pressure per square cm on the vessel'

[单选题]某轮船宽为20m，当其右倾2°时，左舷吃水减少（）m。A .0.175B .0.35C .0.55D .0.60

[单选题]（）refers to the depth of a vessel below the waterline，measured vertically to the lowest part of the hull，propellers or other reference points.A . Free boardB . Stability heightC . Metacentric heightD . Draft

[单选题]The difference between the starboard and port drafts caused by shifting a weight transversely is（）.A . listB . heelC . trimD . flotatio

[单选题]Load line regulations are designed to insure that a vessel has adequate structural strength and sufficient（）.A . lifesaving equipmentB . stabilityC . mooring tensionD . riser tensio

[单选题]A load line is assigned to a ship to insure adequate stability and（）.A . mooring tensionB . riser tensionC . lifesaving equipmentD . structural strength

[单选题]船舶的每厘米吃水吨数TPC在（）情况下，计算船舶的（）误差较小。A .大量载荷变动；吃水差改变量B .少量载荷变动；排水量改变量C .少量载荷变动；平均吃水改变量D .B、C均对

[单选题]The term length of a vessel in International Regulations for Preventing Collision at Sea 1972 means（）.A . the length between perpendicularsB . the registered lengthC . the length overallD . the length of waterplane on summer draft

[单选题]A moment is obtained by multiplying a force by its（）.A . coupleB . lever armC . moment of inertiaD . point of applicatio

[单选题]船舶的平均吃水通常是指船舶（）处的吃水。A .漂心B .稳心C .重心D .船中

[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 an

[单选题]For a floating vessel，the result of subtracting KG from KM is the（）.A . height of the metacenterB . height of the righting armC . height of the center of buoyancyD . metacentric height

[单选题]The primary purpose of a load line is to establish required（）.A . minimum freeboardB . GMC . transverse stabilityD . fresh water allowance

[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 .大于B .小于C .等于D .取决于船舶漂心相对于船中的位置

[单选题]Where must the draft marks be placed on a small passenger vessel? （）A . On each side of the stemB . Near the stern post or rudder postC . At each end of the vesselD . All of the above

[单选题]To calculate the free surface correction，it is necessary to divide the free-surface moments by the（）.A . total weight of liquid loadsB . total displacementC . lightweightD . deadweight

[单选题]船舶由海水水域驶入淡水水域时，船舶所受浮力（）。A .减少B .增加C .不变D .变化不定

[单选题]当船舶某装载状态下的某处水线达到水尺标志的数字的（）处时，则该处的吃水为该数字加上10cm。A .顶边缘B .底边缘C .中间D .1/3处

[单选题]对于普通货船，每厘米吃水吨数TPC通常随吃水增大而（）。A .增加B .不变C .减少D .A、B均是

[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 .4ft3inB .4ft9inC .5ftD .5ft3in

[单选题]当船舶有纵倾和横倾时，平均吃水为（）。A .首中尾的平均吃水加漂心修正B .首尾的平均吃水加漂心修正C .左右舷的六面平均吃水加漂心修正D .左舷首中尾的平均吃水加漂心修正