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
Vertical partitions which provide strength and compartmentalization on a ship are called（）.
The floors in a vessel’s hull structure are kept from tripping，or folding over，by（）.
The result of two forces acting in opposite directions and along parallel lines，is an example of what type of stress?（）
The central longitudinal structural hull strength member of the lower hulls of semisubmersible ship’s is called the（）.
The garboard strake is the（）.
The purpose of sheer in ship construction is to（）.
The deck plating on a ship is supported primarily by deck longitudinals and deck（）.
If a vessel is sagging，what kind of stress is placed on the sheer strake?（）
If the weights are concentrated in the middle part，then（）will happen on board the ship.
Keel scantlings of any vessel are greatest amidships because（）.