A.A long swell from an unusual direction
B.A lengthy lull in the wind and seas
C.Large seas coming from different directions
D.A brisk chop from the southeast
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A.Excessive pitching
B.Excessive yawing
C.Excessive rolling
D.No change should be evident
A.reduce the time the sounding tube is open
B.avoid creating a spark
C.lessen the effect of roll or pitch on the reading
D.lessen the effect of heave on the reading
A.reducing rolling
B.increasing rolling
C.reducing yawing
D.increasing yawing
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
A.broaching
B.pitchpoling
C.rolling
D.yawing
最新試題
Which statement concerning maneuvering in restricted visibility is FALSE?（）.
The forward movement of a ship in one revolution of its propeller is measured by（）.
When preparing a ship for heavy weather，fuel oil day tanks should be（）.
In order to benefit from the use of storm oil in heavy seas，the storm oil should be spread （）.
Which statement is TRUE concerning hawser towing? （）
The time required to incline from bow down to stern down and return to bow down again is called（）.
When a deck cargo is secured with chain or wire lashings and grab (pear) links，which statement is FALSE?（）
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The angular movement of a vessel about a horizontal line drawn from its bow to its stern is （）.
One method of controlling rats on vessels is by rat-proofing. Rat-proofing is accomplished by （）.