A.the height of the tide
B.depth of water under the bridge
C.charted vertical clearance at mean low water
D.distance from the water to low steel of the bridge
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A.concealed
B.buried
C.existed
D.built
A.one nautical mile
B.two kilometers
C.5 cables only
D.one fathom
A.a vessel arrives at a port in a evening
B.a vessel leaves a port in a evening
C.a vessel arrives at a port in a morning
D.a vessel leaves a port in a morning
A.by
B.with
C.on
D.in
A.cable areas
B.dumping grounds
C.fish trap areas
D.precautionary areas
最新試題
The height of tide is the （）.
The distance from the still water level (corrected for tides and storm surge) to the bottom of the hull of a ship is the（）.
A vessel is entering port A for the first time and has a Pilot conning the vessel. The Master is unsure that the Pilot is taking sufficient action to prevent a collision. What should the Master do（）.
Above-normal tides near the center of a hurricane maybe caused by the （）.
The height of a light is measured from which reference plane?（）
The distance between any two meridians measured along a parallel of latitude （）.
For full information regarding the current circulation of the Indian Ocean,（） Sailing Direction,Current Atlas,etc.
A pilot vessel on pilotage duty at night will show sidelights and a sternlight （）.
As these features are not all charted，special caution should be exercised （） vessels navigating in the vicinity.
The distance between any two meridians measured along a parallel of latitude and expressed in miles is the （）.