单项选择题
By definition，a spar deck is the（）.
A.lower most continuous deck not broken by water tight bulkheads
B.after most weather deck above the main strength deck
C.upper or weather deck above the main strength deck
D.deck of light construction below the main or strength deck
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相关考题
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单项选择题
Bulkheads which form part of the tanks on a vessel are stiffened to withstand（）.
A.deck loads from above
B.dynamic forces while afloat
C.hydrostatic pressure
D.over-pressurization -
单项选择题
Between the side frames on a vessel，support for the deck beams is provided by（）.
A.stanchions
B.brackets
C.web frames
D.deck stringers -
单项选择题
An upright vessel has negative GM. GM becomes positive at the angle of loll because the（）.
A.free surface effects are reduced due to pocketing
B.KG is reduced as the vessel seeks the angle of loll
C.effective beam is increased causing BM to increase
D.underwater volume of the hull is increased
