单项选择题

When running before a heavy sea，moving weights aft will affect the handling of a vessel by （）.

A.reducing rolling
B.increasing rolling
C.reducing yawing
D.increasing yawing

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单项选择题

When preparing a ship for heavy weather，fuel oil day tanks should be（）.

A.pumped overboard to calm the seas
B.drained to the lower hull to reduce free surfaces
C.filled to ensure that sufficient fuel oil is available during a lengthy emergency
D.partially drained to increase free surfaces in order to reduce motions

单项选择题

When a vessel is swinging from side to side off course due to quartering seas，the vessel is （）.

A.broaching
B.pitchpoling
C.rolling
D.yawing

单项选择题

When a deck cargo is secured with chain or wire lashings and grab (pear) links，which statement is FALSE?（）

A.The amount of take-up is limited by the length of the turnbuckle
B.At the grab (pear) link，the slack end of chain should be led back and secured to the chain above the link
C.The lashings should be inspected each day and any slack taken up
D.The turnbuckle should be secured with a stick or lock nuts