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
The angular movement of a vessel about a horizontal line drawn from its bow to its stern is （）.
When a vessel is swinging from side to side off course due to quartering seas，the vessel is （）.
When running before a heavy sea，moving weights aft will affect the handling of a vessel by （）.
When a deck cargo is secured with chain or wire lashings and grab (pear) links，which statement is FALSE?（）
The BEST way to steer a twin-screw vessel if you lose your rudder is by using（）.
Which will NOT reduce yawing of a tow?（）
What indicates that a tropical cyclone may be within 500 to 1，000 miles of your position?（）
The pitch of a propeller is a measure of the（）.
Which change in the condition of the seas could indicate the formation of a tropical storm or hurricane several hundred miles from your location? （）
One method of controlling rats on vessels is by rat-proofing. Rat-proofing is accomplished by （）.