A.mean draft
B.true mean draft
C.mean of the calculated drafts
D.draft at the center of flotation
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A.trim
B.yaw
C.heel
D.loll
A.lighter／large
B.light／larger
C.lighter／larger
D.light／large
A.be pooped
B.pitchpole
C.broach
D.squat
A.unoccupied space below the waterline
B.volume of intact space above the waterline
C.excess of the buoyant force over the gravity force
D.difference in the buoyant force in salt and fresh waters
A.also called GM
B.the void portion of the ship below the waterline which is enclosed and watertight
C.affected by the number of transverse watertight bulkheads
D.the watertight portion of a vessel above the waterline
最新試題
For an upright vessel，draft is the vertical distance between the keel and the（）.
Aboard a ship，multiplying a load’s weight by the distance of the load’s center of gravity from the centerline results in the load’s（）.
The angle to which a floating ship，with a negative initial metacentric height，lies while at rest in still water is the angle of（）.
Keeping the draft at or below the load line mark will insure that the vessel has adequate（）.
Reducing the liquid free surfaces in a vessel reduces the（）.
Although KG for a ship in lightweight is relatively high，the vessel is stiff because（）.
The average of the forward and after drafts is the（）.
For a floating vessel，true mean draft is always the（）.
Intact buoyancy is a term used to describe（）.
The center of volume of the immersed portion of the hull is called the（）.