單項(xiàng)選擇題

Structural stress on a ship can be reduced by（）.

A.lessening the effect of environmental forces
B.even and symmetrical variable loading
C.local concentration of heavy consumables
D.increasing the metacentric height

你可能感興趣的試題

單項(xiàng)選擇題

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 loads

單項(xiàng)選擇題

Keel scantlings of any vessel are greatest amidships because（）.

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