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
最新試題
Clearances of bridges and overhead cables below Bonneville Dam refer to heights in feet above mean （）.
The meaning of ebb tide is that （）.
The Earth has the shape of a(n) （）.
During daylight savings time the meridian used for determining the time is located farther （）.
The distance between any two meridians measured along a parallel of latitude and expressed in miles is the （）.
The height of tide is the （）.
The Earth’s irregular heating is caused by （）.
During a period of whiteout，you should expect which of the following（）.
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 （）.