单项选择题

Lines or gear NOT in use should be（）.

A.conspicuously marked
B.stowed anywhere
C.left on deck
D.secured or stowed out of the way

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单项选择题

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

单项选择题

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

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