單項選擇題

In plugging submerged holes on a vessel，rags，wedges，and other materials should be used in conjunction with plugs to（）.

A.reduce the water pressure on the hull
B.reduce the water leaking around the plugs
C.prevent progressive flooding
D.reduce the possibility of stress fractures

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單項選擇題

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

單項選擇題

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

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In plugging submerged holes on a vessel，rags，wedges，and other materials should be used in conjunction with plugs to（）.

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By definition，a spar deck is the（）.

Bulkheads which form part of the tanks on a vessel are stiffened to withstand（）.

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In plugging submerged holes on a vessel，rags，wedges，and other materials should be used in conjunction with plugs to（）.

By definition，a spar deck is the（）.