Defense plans may cause the operation of electronic aids to navigation to be suspended with ______.

试卷相关题目

• 1The abbreviation PPI in the Sperry Collision Avoidance System means ______．

  A.plan position indicator

  B.plain position indicator

  C.plane position indication

  D.policy proof of interest

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• 2I have pleasure in informing you that all safety equipment is in ______ working order．

  A.full

  B.care

  C.intentional

  D.reasonable

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• 3In determining if risk of collision exists，such risk may sometimes exist even when an appreciable bearing change is evident，particularly when approaching ______．

  A.very large vessel

  B.a long tow

  C.a vessel at close range

  D.all A，B and C

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• 4Before sailing，mariners on duty shall check the headings of magnetic compass by comparison with ______．

  A.ship's clock

  B.engine movement recorder

  C.repeaters

  D.navigation lights

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• 5It may be found that，in certain circumstances，radar beacon emissions can cause ______ with the normal radar display，particularly at close range．

  A.unwanted interference

  B.unexpected figures

  C.abnormal data

  D.unwanted information

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• 6Calibration Stations give special transmissions for the calibration of ship's ______．

  A.gyro-compass

  B.marine radar

  C.DF

  D.navigational satellite

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• 7The annual change in ______ is 0.2 degree east in this water area．

  A.marine insurance

  B.magnetic variation

  C.maritime accident

  D.mean high water

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• 8The maximum draft to which a vessel can legally be submerged is indicated by the ______.

  A.Loadline mark

  B.Certificate of Inspection

  C.Station Bill

  D.Tonnage mark

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• 9Two vessels meeting in a head- on situation are directed by the Rules to ______.

  A.alter course to starboard and pass port to port

  B.alter course to port and pass starboard to starboard

  C.decide on which side the passage will occur by matching whistle signals

  D.slow to bare steerageway

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• 10You are watching another vessel approach and her compass bearing is not changing. This means that ______.

  A.you are the stand-on vessel

  B.a risk of collision exists

  C.a special circumstances situation exists

  D.the other vessel is dead in the water

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