默认题库 - 航路指南

单选题

The meaning of ebb tide is that （）.

A. tide is falling from high water to low water
B. tide is rising from low water to high water
C. tide is reaching to a highest level
D. tide is reaching to a lowest level

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单选题

On a voyage from Capetown to London，the favorable ocean current off the coast of Africa is the （）.

A. Canary Current
Benguela Current
C. Agulhas Current
D. South Atlantic Current

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单选题

A vessel not to impede the passage of another vessel is not relieved （） taking collision-avoiding action.

A. on
B. of
C. in
D. for

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单选题

For full information regarding the current circulation of the Indian Ocean,（） Sailing Direction,Current Atlas,etc.

A. watch
B. look for
C. see
D. regard

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单选题

Attention is called to the fact that in many cases pipelines are not （） and charted depths may be decreased by up to 2 meters．

A. concealed
B. buried
C. existed
D. built

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单选题

Admiralty Sailing Directions are Kept up to date by （）.

A. corrections
B. publications
C. supplements
D. alteratio

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单选题

（）amplify charted detail and contain information needed for safe navigation.

Admiralty Sailing Directions
B. Admiralty List of Lights
C. Admiralty List of Signals
D. Admiralty Notices to Mariner

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单选题

A line of position derived by radar range from an identified point on a coast will be a(n) （）.

A. straight line
B. arc
C. parabola
D. line parallel to the coast

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单选题

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（）.

A. Nothing; The Pilot is required by law and is solely responsible for the safety of the vessel
B. State his concerns to the Pilot but do not interfere with the handling of the vessel
C. Direct the Pilot to stop the vessel and anchor if necessary until the situation clears
D. Recommend an alternative action and if not followed relieve the Pilot

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单选题

Clearance gauges at bridges indicate （）.

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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