A.center of gravity
B.metacenter
C.center of flotation
D.keel
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A.Carefully and neatly erase the entryand rewrite it correctly
B.Remove this page of the log book and rewrite all entries on a clean page
C.Blot out the error completely and rewrite the entry correctly
D.Cross out the error with a single line and rewrite the entry correctly
A.cross out the error with a single line,and write the correct entry ,then initialit
B.carefully and neatly erase the and rewrite it correctly
C.remove this page of the log book , and rewrite all entries on a clean page
D.Blot out the error completely and rewrite the entry correctly
A.uncorrected KG
B.virtual height of the center of gravity
C.metacenter
D.metacentric height
A.increase holding power
B.decrease holding power
C.make penetration more complete
D.not effect holding power
A.uncorrected KG
B.maximun allowed KG
C.virtual height of the center of gravity
D.metacentric height
最新試題
Shipboard Emergency Drills must be carried out at least（）on board cargo ship.
Where would you find information about the time of high tide at a specific location on a particular day of the year?（）
Your vessel is docking, but not yet alongside. Which line will be the most useful when maneuvering the vessel alongside the pier?（）.
It is dangerous for vessels without the operational radar（）the estuary.
Berthing means bringing a vessel to her berth until（）.
The circulation around a low pressure center in the Northern Hemisphere is（）.
（）is where the crew eat their meals.
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
When the wave period and the apparent rolling period are the same（）.
A tide is called diurnal when（）.