A.more serious
B.not less serious
C.more dangerous
D.no more dangerous
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A.low water slack
B.high water slack
C.high water ebb
D.high water flood
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
最新試題
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 tide is the （）.
The distance between any two meridians measured along a parallel of latitude and expressed in miles is the （）.
For full information regarding the current circulation of the Indian Ocean,（） Sailing Direction,Current Atlas,etc.
During a period of whiteout，you should expect which of the following（）.
The height of a light is measured from which reference plane?（）
The Earth’s irregular heating is caused by （）.
As these features are not all charted，special caution should be exercised （） vessels navigating in the vicinity.
On a voyage from Halifax,N.S.,to Dakar,West Africa,the Canary Current will （）.