The issue of Notices to Mariners of charts and these aids(Radar beacons)may be delayed until such time as they are assessed to be ______．

试卷相关题目

• 1Coast Pilots and navigational charts are kept corrected and up-to-date by using the ______.

  A.pilot charts

  B.Notices to Mariners

  C.Tide Tables

  D.Current Tables

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• 2For details of these and other lights the larger scale charts and Admiralty Lists should be ______ .

  A.considered

  B.consulted

  C.concluded

  D.commanded

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• 3Which statement is TRUE of a stiff vessel、

  A.She will have an unusually high center of gravity

  B.She will have a large metacentric height

  C.She will pitch heavily

  D.Her period of roll will be large due to her large metacentric height

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• 4On a chart，the characteristic of the light on a lighthouse is shown as flashing white with a red sector. The red sector ______.

  A.indicates the limits of the navigable channel

  B.indicates a danger area

  C.is used to identify the characteristics of the light

  D.serves no significant purpose

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• 5On small scale charts of ocean areas where hydrographic information is，in many cases，still ______ ，charted shoals may be in error as regards position，depth and extent．

  A.spare

  B.spade

  C.sparse

  D.spear

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• 6In which voyage，between two points，is the rhumb line distance NOT approximately the same as the great circle distance、 ______.

  A.The two points are in low latitudes in the same hemisphere

  B.The two points are in high latitudes in the same hemisphere

  C.The two points are near the equator，but in different hemispheres

  D.One point is near the equator，one point is in a high latitude，and both are near the 180th meridian

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• 7A tide is called diurnal when ______.

  A.only one high and one low water occur during a lunar day

  B.the high tide is higher and the low tide is lower than usual

  C.the high tide and low tide are exactly six hours apart

  D.two high tides occur during a lunar day

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• 8Positions read from this chart should be moved 0．08 minutes Southward and 0．13 minutes Eastward so as ______ adjoining chart 3833．

  A.to agree upon

  B.in accordance with

  C.to be same as

  D.to agree with

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• 9Contour elevations on this chart refer to heights in feet above mean ______.

  A.lower low water

  B.high water

  C.low water

  D.sea level

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• 10Mariners 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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