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
Intact buoyancy is a term used to describe（）.
Reserve buoyancy is the（）.
If the cause of severe list or trim is off-center ballast，counterflooding into empty tanks will（）.
A vessel is tender if cargo weight is（）.
Some cargoes are（）in weight but（）in size.
On a semisubmersible ship，reserve buoyancy is increased by the presence of void spaces above the waterline in the（）.
My drafts are 28 feet（）and 29 feet aft.
On a vessel，multiplying a load’s weight by the distance of the load’s center of gravity above the baseline results in a(n)（）.
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（）.
For an upright vessel，draft is the vertical distance between the keel and the（）.