A.lessening the effect of environmental forces
B.even and symmetrical variable loading
C.local concentration of heavy consumables
D.increasing the metacentric height
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A.environmental loads
B.variable loads
C.ballast loading
D.mooring loads
A.connections between forebody and afterbody are most crucial
B.of maximum longitudinal bending moments
C.of severest racking stresses
D.resistance to grounding is at a maximum amidships
A.placing bunker on the deck
B.building a stage on which to place the cargo
C.welding steel feet to the deck，on which the cargo is placed
D.erecting vertical pillars under the deck to support the cargo
A.pump fuel oil from midships to the ends of the vessel
B.reduce speed
C.take a course which most eases the vessel
D.All of the above
A.bow
B.mid-section
C.stern
D.All of the above
最新試題
The maximum theoretical stress that can be developed on a guy in a yard and stay rig is limited by the（）.
The decks of a ship are supported by transverse members called（）.
Vertical partitions which provide strength and compartmentalization on a ship are called（）.
The result of two forces acting in opposite directions and along parallel lines，is an example of what type of stress?（）
If the weights are concentrated in the middle part，then（）will happen on board the ship.
The pillar shape that gives the greatest strength for the least weight is the（）.
The function of the bilge keel is to（）.
The fore and aft run of deck plating which strengthens the connection between the beams and the frames and keeps the beams square to the shell is called the（）.
If a vessel is sagging，what kind of stress is placed on the sheer strake?（）
Structural stress on a ship can be reduced by（）.