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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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
A.deck loads from above
B.dynamic forces while afloat
C.hydrostatic pressure
D.over-pressurization
A.stanchions
B.brackets
C.web frames
D.deck stringers
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
A.one barrel
B.two barrels
C.five barrels
D.ten barrels
最新試題
When lowering lifeboats in heavy seas，a good practice is to rig frapping lines（）.
The terms ceiling and margin plate are associated with the（）.
What is TRUE about hoisting operations?（）
The minimum length of a boat painter for a lifeboat in ocean service is（）.
The purpose of the tripping line on a sea anchor is to（）.
Which mooring line prevents sideways motion of a vessel moored to a pier（）.
When a line is spirally coiled about its end and lying flat on deck，it is said to be（）.
The process of lowering a boom to a horizontal position and onto its deck support is called（）.
Solid waste generation，and electricity and water consumption are costly and have their own set of environmental（）.
What danger is presented if a waterspout passes over a ship?（）