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
As the displacement of a vessel increases,. the detrimental effect of free surface ______.
A.increases
B.decreases
C.remains the same
D.may increase or decrease depending on the fineness of the vessel’s form
相关考题：
Deadweight is ________ ．A.the tonnes of the displacement of a vessel in water of a specific gravity of 1．025 at summer load water lineB.the difference in tonnes between the displacement in salt water at summer load waterline and the light weight of the vesselC.the cargoes in tonnes that can be loaded in a vessel at summer load water lineD.the bale capacity in cubic meters of a vessel
An upright vessel has negative GM．GM becomes positive at the angle of loll because the ______．A.Free surface effects are reduced due to pocketingB.KG is reduced as the vessel seeks the angle of lollC.Effective beam is increased causing BM to increaseD.Underwater volume of the hull is increased
The correction to KG for longitudinal free surface effects for a vessel can be found by dividing the vessel's displacement into the ______．A.Transverse free surface correction for the vesselB.Sum of the vertical moments of the vesselC.Sum of the longitudinal free surface moments of the vesselD.Longitudinal centerline of the vessel
Which statement about the free surface effect is TRUE ________．A.It increases in direct proportion to the length of the tank times the breadth squaredB.It decreases at increased angles of heel due to pocketing when a tank is 90% fullC.It decreases in direct proportion to increasing specific gravity of the liquid in the tankD.In practice，the correction is considered to be a virtual reduction of KG
The free surface corrections depend upon the dimensions of the surface of the free liquids and the ______．A.volume of liquid in the tankB.displacement of the vesselC.location of the tank in the vesselD.height of the center of gravity of the vessel
The free surface effects of a partially full liquid tank decrease with increased ______．A.Density of the liquidB.Placement of the tank above the keelC.Displacement volume of the shipD.Size of the surface area in the tank
When displacement increases，the free surface corrections for slack tanks ______．A.increaseB.decreaseC.are directly proportionalD.remain unchanged
单选题Jettisoning weight from topside（）.Areturns the vessel to an even keelBreduces free surface effectClowers the center of gravityDraises the center of buoyancy
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?（）AThe slowing is only temporary and the vessel will probably suddenly capsize or plunge from loss of stability due to change in the waterplane areaBThe vessel can probably be saved if further flooding can be stoppedCThe vessel will continue to slowly list and/or trim due to the free surface effect and free communication effectDThe vessel will suddenly flop to the same or greater angle of list on the other side and may capsize
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（）.ATCGBtransverse momentCrighting momentDtransverse free surface moment
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?（）AKB increases，increasing BM and therefore GMBKG increases due to the weight of the added water on deckCBM decreases from loss of water plane and greater volumeDThere is no effect on transverse stability
单选题Deadweight，which is the cargo carrying capacity of a vessel in tons，is determined by（）.ALoaded displacement minus light displacementBGross tonnage minus net tonnageCLoaded displacement minus net tonnageDLight displacement minus the weight of the vessel
单选题To calculate the free surface correction，it is necessary to divide the free-surface moments by the（）.Atotal weight of liquid loadsBtotal displacementClightweightDdeadweight
单选题The correction to KG for longitudinal free surface effects for a vessel can be found by dividing the vessel’s displacement into the（）.Atransverse free surface correction for the vesselBsum of the vertical moments of the vesselCsum of the longitudinal free surface moments of the vesselDlongitudinal centerline of the vessel
单选题The effects of free surface on a vessel’s initial stability do NOT depend upon the（）.Avolume of displacement of the vesselBdimensions of the surface of the liquidCamount of liquid in slack tanksDspecific gravity of the liquid in the tank
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 th eload’s（）.ATCGBtransverse momentCrighting momentDtransverse free surface moment
单选题As the displacement of a vessel increases, the detrimental effect of free surface（）.AincreasesBdecreasesCremains the sameDmay increase or decrease depending on the fineness of the vessel's form
单选题Topside icing decreases vessel stability because it is usually off-center and（）.Aincreases displacementBincreases the height of the center of gravityCincreases draftDreduces the pocketing of free surface
单选题As defined in the Rules，the term vessel includes（）.AseaplanesBnon-displacement craftCbargesDAll of the above
单选题A VESSEL，OTHER THAN A RESCUE UNIT，DESIGNATED TO CO-ORDINATE SURFACE SEARCH AND RESCUE OPERATION WITHIN A SPECIFIED AREA is known as（）.ASalving vesselBCo-ordinator surface searchCMERSARDThe vessel being salved
单选题The center of the underwater volume of a floating vessel is the（）.Acenter of buoyancyBcenter of flotationCuncorrected height of the center of gravity of the vesselDcenter of gravity of the vessel corrected for free surface effects
单选题Topside icing that blocks freeing ports and scuppers（）.Ais usually below the center of gravity and has little effecton stabilityBwill cause water on deck to pocket and increase stabilityCmay decrease stability by increasing free surface effect due to water on deckDincreases the effective freeboard and increases thewind-heel affect
单选题Many vessels are provided with flume tanks，which also have a dump tank located under the flume tanks. In the event the ship is damaged，you could dump the flume tanks into the dump tank which would（）.Areduce the free surface effect and raise the KGBnot have any effect on free surface and raise the KGCreduce the free surface effect and lower the KGDnot have any effect on free surface and lower the KG
单选题What is the principal danger from the liquid in a half full tank onboard a vessel?（）ACorrosion from the shifting liquidBRupturing of bulkheads from the shifting liquidCLoss of stability from free surface effectDHoling of the tank bottom from the weight of the shifting liquid
单选题The effect of free surface on initial stability depends upon（）.Athe amount of liquid in the compartmentBthe dimensions of the liquid surface and the vessel's displacementConly the length of the compartmentDthe vertical position of the liquid in the vessel
单选题The effects of free surface on initial stability depend upon the dimensions of the surface of the free liquids and the（）.Avolume of liquid in the tankBvolume of displacement of the vesselClocation of the tank in the vesselDheight of the center of gravity of the vessel
单选题When a vessel navigates in an area with a small underkeel clearance but with adequate space to take avoiding action she（）.Ashould not be regarded as a vessel constrained by her draughtBshould be regarded as a vessel constrained by her draughtCshall be regarded as a vessel restricted in her ability to maneuverDshould be regarded as a non-displacement vessel