When a ship in loaded condition floats at arbitrary water line, its displacement is to the relevant mass of water displaced by the ship（）
A . equal
B . larger
C . smaller
D . equivalent
相似题目
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Structural stress levels in a ship are the sum of loading stresses and stresses due to（）.
A . environmental loads
B . variable loads
C . ballast loading
D . mooring load
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The stevedores（）load your ship in a few days.
A . is going to
B . are going to
C . was going to
D . are go to
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When a ship is in summer zone and in seawater of density1025,she must not load to more than the upper edge of the line marked（）.
A . S
B . T
C . W
D . F
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When must the Master of a vessel log the position of load line marks in relation to the surface of the water in the Official Logbook?（）
A . Once a day
B . At the change of every watch
C . Only when in fresh or brackish water
D . Prior to getting underway
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When off loading garbage to another ship, your records must identify that ship by name and （）
A . home port
B . operators name of record
C . official number
D . masters name
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When a ship is in tropical zone and in seawater of density 1025,she must not load to more than the upper edge of the line marked（）.
A . S
B . T
C . W
D . F
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When turning a ship in restricted space with a strong wind，it is normally best to（）.
A . Go ahead on both engines with the rudder hard to one side，if on a twin-screw vessel
B . Back down with the rudder hard to one side，if on a single-screw vessel
C . Take advantage of the tendency to back to port，if on a twin-screw vessel
D . Turn so that the tendency to back into the wind can be used，if on a single-screw vessel
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On commonly used ships,if two A√Cgenerators are operated in parallel, the load is distributed evenly by （）.
A . varying the D-Cexciter voltage
B . varying the reluctance of the air gap
C . regulating the speed of prime mover
D . shorting out part of the armature winding
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In rough weather，when a ship is able to maneuver，it is best to launch a lifeboat（）.
A . on the lee side
B . on the windward side
C . with the wind dead ahead
D . with the wind from aster
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When is the density of the water required to be logged in the logbook of a ship?（）
A . Any time the vessel moves from water of one density into waters of a different density
B . Prior to getting underway when the vessel is floating in fresh or brackish water
C . Only when the vessel moves from fresh water into salt water
D . The density of the water is not required to be logged in the unofficial logbook
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If the place named for the loading is simply a port or dock，notice of readiness may be given as soon as the ship arrives（）although she is not in the particular spot where the loading is to take place.
A . in the loading place
B . in the port or dock
C . in the loading spot
D . in the discharging spot
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If a chartered ship is prevented from，or delayed in，getting to the loading port by peril excepted during the voyage，the exception clauses（）.
A . apply
B . comply
C . supply
D . reply
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The port clearance for a ship should be granted（）the completion of loading or discharging in the port.
A . before
B . when
C . after
D . during
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When receiving a distress alert, the SAR authorities ashore and the ships in the vicinity of the ship in distress will（）soonest.
A . reach the distress area
B . conduct a sector search
C . send rescue vessels
D . assist coordinately in SAR operatio
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The loading of the ship must be done in accordance with（）.
A . the ship’s instructions
B . the terminal’s instructions
C . the port captain’s instructions
D . the charterer’s instructio
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When a diesel engine is operate at partial load, as compared to full load ,a decrease will occur in the average （）
A . air quantity aspirated
B . fuel injection pressure
C . combustion pressure on the power stroke
D . compression on the compression stroke
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When arranging cargo for（）in the holds，we should give first consideration to ship’s seaworthiness and her being in a good sea-going trim after loading.
A . dunnage
B . separation
C . stowage
D . operatio
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At the instant when a string of casing being run from a ship is landed in the well head,（）.
A . the total weight in air of the casing string is removed from the ship
B . the hook load (weight of the casing string) is removed from the ship
C . the weight of the casing inside the riser is removed from the ship
D . the weight of the casing string added to the weight of the fill-up mud is removed from the shi
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When loading containers into the cell guides in the hold of a container ship，which statement is TRUE?（）.
A . No further securing is usually required
B . Containers must have vertical lashings if they do not have twist lock securing
C . All containers must have vertical and horizontal lashings
D . The container must be locked into the cell guide
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A mortgagee only（）entitled to all the freight which the ship is in the course of earning，when his possession of the ship comes into being.
A . sustains
B . maintains
C . becomes
D . ha
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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 . LCG
B . transverse moment
C . righting moment
D . inclining moment
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The load limitation of governor should be reduced when ship navigating at sea, the main reason is to（）
A . prevent the diesel engine surging
B . prevent governor from being damaged because of swing
C . reduce the probability of the crank shaft being torsional vibrated and resonated
D . prevent the main engine being overload or overspeed
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Various researches have determined thatthe biggest wave load appears when awave length is _____ the ship’s length.
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Aboard a vessel, multiplying a load’s weight by the distance of the load’s center of gravity from the mid-ship section results in the load’s ______.
A.LCG
B.longitudinal moment
C.righting moment
D.inclining moment
