A power-driven vessel shall have her engine ready for（）when the visibility is restricted.

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• A vessel showing a yellow light over a white light at night is a vessel（）.

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• A power-driven vessel towing another vessel astern (tow less than 200 meters) shall show （）.

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• A power-driven vessel，when towing astern，shall show（）.

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• A power-driven fishing vessel is underway on the high seas and is not engaged in fishing. Which of the following factors determines what lights she will show?（）.

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• A vessel constrained by her draught may，in addition to the lights prescribed for power-driven vessels in Rule 23，exhibit where they can best be seen（）or a cylinder.

  A . two all-round red lights in a vertical line B . three all-round red lights in a vertical line C . two all-round yellow lights in a vertical line D . three all-round green lights in a vertical line

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• A 20-meter power-driven vessel pushing ahead or towing alongside will display（）.

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• When two power-driven vessels are meeting on reciprocal or nearly reciprocal courses so as to involve risk of collision，they shall be deemed to be in（）.

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• Which one of the following rules is not regarding two power-driven vessels meeting end or nearly end on so as to involve risk of collision（）.

  A . Each shall keep her course and speed B . Each shall alter her course to starboard C . Each shall pass on the portside to the other D . Each shall indicate such action by one short blast on the whistle

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• A head on situation shall be deemed to exist at night when a power-driven vessel sees another power-driven vessel ahead and （）.

  A . one sidelight and the masthead light are visible B . the vessels will pass closer than half a mile C . both vessels sound one prolonged blast D . both sidelights and masthead light(s) are visible

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• Which one of two crossing power-driven vessels has the right of way in a fog（）.

  A、 Both vessels B、 Neither vessel C、The vessel on portside D、  The vessel on starboard side

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• When two power-driven vessels are meeting on reciprocal or nearly reciprocal courses so as to involve risk of collision,they shall be deemed to be in（）.

  A . head-on situation B . crossing situation C . overtaking situation D . close-quarters situatio

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• When a pushing vessel and a vessel（）ahead are rigidly connected in a composite unit they shall be regarded as a power-driven vessel.

  A . is pushed B . being pushed C . was pushed D . be pushed

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• A power-driven vessel shall have her engine ready for（）when the visibility is restricted.

  A . immediate stopping B . immediate maneuvering C . immediate anchoring D . immediate going aster

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• Power-driven vessels must keep out of the way of sailing vessels except（）.

  A . in a crossing situation B . when they are making more speed than the power-driven vessel C . when the sailing vessel is overtaking D . on the Inland Waters of the United State

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• Which statement correctly applies to a situation where a sailing vessel is overtaking a power-driven vessel（）.

  A . The power-driven vessel must keep out of the way of the sailing vessel B . A special circumstance situation exists C . The sailing vessel must keep out of the way of the power- driven vessel D . The vessel which has the other vessel to the right must keep out of the way

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• A power-driven vessel underway shall keep out of the way of（）.

  A . a vessel restricted in her ability to maneuver B . a vessel under command C . a passenger ship D . a seaplane on the water

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• A sailing vessel is overtaking a power-driven vessel in a narrow channel，so as to pass on the power-driven vessel’s port side. The overtaken vessel will have to move to facilitate passage. The sailing vessel is the（）.

  A . stand-on vessel and would sound two short blasts B . give-way vessel and would sound no whistle signal C . stand-on vessel and would sound no whistle signal D . give-way vessel and would sound two prolonged blasts followed by two short blast

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• 79. When two power-driven vessels are meeting on reciprocal or nearly reciprocal courses so as to involve risk of collision, they shall be deemed to be in _____.

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