A.plug the vents
B.plug the sounding pipes
C.plug the scuppers
D.close the lids on the vents
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A.fix
B.running fix
C.estimated position
D.dead-reckoning position
A.estimated position
B.dead reckoning position
C.fix
D.None of the above
A.dead-reckoning position
B.running fix
C.estimated position
D.fix
A.fix
B.dead-reckoning position
C.running fix
D.probable position
A.plane tangent at one point
B.cylinder tangent at one parallel
C.cone tangent at one parallel
D.series of cones tangent at selected parallels
最新試題
After jacking down your liftboat you have an unexpected list.You find that the only cause of this list must be a flooded leg.Your next course of action should be to（）.
Important changes to charts and lights（including temporary ones），radio signals and sailing directions are listed in（）.
The Lists of Meteorological Observation Stations can be found in（）.
After launching，an inflatable raft should be kept dry inside by（）.
The information on（）is not likely found in The Mariners Handbook.
A man aboard a vessel，signaling by raising and lowering his outstretched arms to each side，is indicating（）.
An inflatable liferaft is hand-launched by（）.
To predict the actual depth of water using the Tide Tables，the number obtained from the Tide Tables is（）.
A sweep oar is an oar that is（）.
Light Lists for coastal waters are（）.