In which voyage，between two points，is the rhumb line distance NOT approximately the sameas the great circle distance、

试卷相关题目

• 1Deviation is the angle between the ______．

  A.true meridian and the axis of the compass card

  B.true meridian and the magnetic meridian

  C.magnetic meridian and the axis of the compass card

  D.axis of the compass card and the degaussing meridian

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• 2A chart has extensive corrections to be made to it. When these are made and the chart is again printed，the chart issue is a _______.

  A.first edition

  B.new edition

  C.revised edition

  D.reprint

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• 3All events relating to navigation，such as ship's position，speed and details of the weather，are recorded in ______．

  A.Logbook

  B.Bell Book

  C.Oil Record Book

  D.Compass Error Book

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• 4Sailing directions are kept up to date by ______．

  A.publications

  B.notices to mariners

  C.supplements

  D.Annual Summary of Admiralty Notices to Mariners

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• 5One of the principal dangers inherent in liquefied petroleum gas is that ______．

  A.as it warms up it becomes heavier than air

  B.the way it reacts with sea water

  C.its low temperature causes frostbite or freezing

  D.the strong odor it produces

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• 6Do not _____the watch to the relieving officer until he has verbally expressed his acknowledgment of the information which has been passed by the officer handing over．

  A.turn over

  B.hand over

  C.take over

  D.hands off

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• 7Charted depth is the ______．

  A.vertical distance from the tidal datum to the ocean bottom plus the height of the tide．

  B.vertical distance from the tidal datum to the ocean bottom

  C.average height of water over a specified period of time

  D.average height of all low waters at a place

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• 8Mariners proceeding across the main routes are recommended to do so at ______．

  A.as wide an angle as practicable

  B.as wide an angle so practicable

  C.like wide an angle as practicable

  D.like wide as angle so practicable

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• 9A relative bearing is always measured from ______.

  A.true north

  B.magnetic north

  C.the vessel's beam

  D.the vessel's head

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• 10It 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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