A.hogging stresses
B.sagging stresses
C.racking stresses
D.shearing stresses
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A.stress plate
B.keel
C.rider plate
D.main beam
A.beams
B.girders
C.frames
D.bulkheads
A.lessening the effect of environmental forces
B.even and symmetrical variable loading
C.local concentration of heavy consumables
D.increasing the metacentric height
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
最新試題
The central longitudinal structural hull strength member of the lower hulls of semisubmersible ship’s is called the（）.
Floors aboard ship are（）.
The function of the bilge keel is to（）.
The result of two forces acting in opposite directions and along parallel lines，is an example of what type of stress?（）
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 the weights are moved away from the midship section，（）will happen on board.
Frames to which the tank top and bottom shell are fastened are called（）.
The deck plating on a ship is supported primarily by deck longitudinals and deck（）.
Keel scantlings of any vessel are greatest amidships because（）.
The decks of a ship are supported by transverse members called（）.