The step of a pilot ladder which prevents the ladder from twisting is the（）...

A、the direct acting relief valve is used for controlling lower flows and pressure B、the pilot operated relief valve is used for controlling higher flows and pressure C、the pilot operated relief valve is used for controlling lower flows and pressure D、the controlling accuracy of direct acting relief valve is worse than that of the pilot operated relief valve

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第7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、A.Nothing; The Pilot is required by law and is solely responsible for the safety of the vessel B、B.State his concerns to the Pilot but do not interfere with the handling of the vessel C、C.Direct the Pilot to stop the vessel and anchor if necessary until the situation clears D、D.Recommend an alternative action and if not followed relieve the Pilot

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第8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、A.Nothing; The Pilot is required by law and is solely responsible for the safety of the vessel B、B.State his concerns to the Pilot but do not interfere with the handling of the vessel C、C.Direct the Pilot to stop the vessel and anchor if necessary until the situation clears D、D.Recommend an alternative action and if not followed relieve the Pilot

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第9题

[单选题] The pilot boat took the pilot （）the ship.

A、of B、off C、in D、out

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The step of a pilot ladder which prevents the ladder from twisting is the（）.

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