On a vessel，the keel is the primary strength member of the lower hull form in which direction ________．A.TransverseB.DiagonalC.LongitudinalD.Vertical
On a vessel，the keel is the primary strength member of the lower hull form in which direction ________．
A.Transverse
B.Diagonal
C.Longitudinal
D.Vertical
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船舶由船体和上层建筑组成。（）A、A vessel is made up of the hull and the superstructure.B、A vessel is made up of the hull and the bridge.C、A vessel is made up of the hull and the forecastle.
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单选题Which of the following will increase the positive stability of your vessel?（）.ALoading weight on deckBDischarging weight from lower decksCShifting weight from upper to lower decksDShifting weight from lower to upper decks
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单选题船舶由船体和上层建筑组成。（）AA vessel is made up of the hull and the superstructure.BA vessel is made up of the hull and the bridge.CA vessel is made up of the hull and the forecastle.
单选题In the event of damage to the DEEP WATER SHIP which results in flooding to one of the lower-hull tanks，pump from（）.Anearby damaged tanksBnearby undamaged tanks containing ballastCtanks on the opposite cornerDthe opposite trim tank
单选题Mariners must ascertain that deck loads are stowed in such a manner as（）.Ato affect the vessel's stabilityBnot to affect the vessel's stabilityCto keep the vessel on even keelDnot to keep the vessel on even keel
单选题Which effect does speed through the water have on a vessel which is underway in shallow water （）.AA decrease in the speed results in a decrease in steering response and maneuverabilityBAn increase in speed results in the stern sucking down lower than the BowCAn increase in speed results in the vessel rising on an even planeDA decrease in speed results in the vessel sucking down on an even plane
单选题0n a vessel, the keel is the primary strength member of the lower hull form in which direction?（）.AtransverseBdisagonalClongitudinalDvertical
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单选题The central longitudinal structural hull strength member of the lower hulls of semisubmersible ship’s is called the（）.Astress plateBkeelCrider plateDmain beam
单选题Bulkheads which form part of the tanks on a vessel are stiffened to withstand（）.Adeck loads from aboveBdynamic forces while afloatChydrostatic pressureDover-pressurization
单选题The extension of the after part of the keel in a single-screw vessel upon which the stern post rests is called the（）.AbossBknuckleCskegDstrut
单选题On a vessel，the keel is the primary strength member of the lower hull form in which direction?（）.AtransverseBdiagonalClongitudinalDvertical
单选题For an upright vessel, draft is the vertical distance between the keel and the （）.AwaterlineBfreeboard deckCPlimsoll markDamidships section
单选题The function of the bilge keel is to（）.Areduce the rolling of the vesselBserve as the vessel's main strength memberCadd strength to the bilgeDprotect the vessel's hull when alongside a dock
单选题Compared to internal structural plating，the exterior hull plating on a vessel is usually（）.AstrongerBthinnerCmore corrosion resistantDa lower grade steel
单选题While in drydock your vessel will be belt-gauged.This process involves（）.Ameasuring the thickness of the tail shaft linerBtaking the vessel's offsets to check for hull deformationCtesting and examining the anchor cables for defective linksDdrilling or sonic-testing the hull to determine the plate thickness
单选题When a vessel is in dry-dock, the vessel’s engineers should （）.Aexamine the condition of the propellerBchip and paint all hull protection zincsCinstall new docking plugs in all cofferdamsDinspect the hull for hogging or sagging
单选题Which mooring line prevents sideways motion of a vessel moored to a pier（）.AA line led forward from the bowBA line led aft from the bowCA line led in the same direction as the keelDA line led at a right angle to the keel
单选题Which action will affect the trim of a vessel? （）AMoving high weights lowerBAdding weight at the tipping centerCMoving a weight forwardDMoving lower weight high