A.low water slack
B.high water slack
C.high water ebb
D.high water flood
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A.lower low water
B.high water
C.low water
D.sea level
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
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
A.the period of darkness exceeds the period of light
B.there is only a partial eclipse of the light
C.the periods of light and darkness are equal
D.the period of light exceeds the period of darkness
A.After boarding the pilot
B.After the pilot leaving the ship
C.After the pilot going on board
D.After taking the pilot
A.high barometric pressure
B.jet stream
C.storm surge
D.torrential rains
最新试题
On a voyage from Capetown to London,the favorable ocean current off the coast of Africa is the ().
The height of tide is the ().
The height of eye correction is smaller than geometrical dip because of ().
A vessel not to impede the passage of another vessel is not relieved () taking collision-avoiding action.
In Admiralty Sailing Directions,bands is the word used to indicate()marking.
The distance between any two meridians measured along a parallel of latitude and expressed in miles 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().
As these features are not all charted,special caution should be exercised () vessels navigating in the vicinity.
A tug is to assist in docking an oceangoing vessel on a hawser. The greatest danger to the tug is ().
The distance between any two meridians measured along a parallel of latitude ().