單項(xiàng)選擇題Laying out a line in successive circles flat on deck with the bitter end in the center is known as（）.

A.coiling
B.faking
C.flemishing
D.lining


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1.單項(xiàng)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

2.單項(xiàng)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

3.單項(xiàng)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

4.單項(xiàng)選擇題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

5.單項(xiàng)選擇題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