最新航海英语新题库.docx

1、最新航海英语新题库航海英语新题库一、 海图及海图作业 50题251To agree with larger scale chart，latitudes taken from this chart should be increased _ about 8 seconds A. with B. in C. by D. to 252On this chart only the principle _ to navigation are shown A.equipments B.tools C.apparatus D.aids253Many of the soundings shown on the

2、 chart are derived from _.Undue reliance should not be placed upon them A. complete and often very poor surveys B. correct and often very good surveys C. inadequate and often very old surveys D. adequate and present surveys 254Lines on a chart which connect points of equal magnetic variation are cal

3、led _. A. magnetic latitudes B. magnetic declinations C. dip D. isogonic lines 255Isogonic lines are lines on a chart indicating _. A. points of equal variation B. points of zero variation C. the magnetic latitude D. magnetic dip 256In which source could you find the number of a chart for a certain

4、geographic area? _. A. Chart No. 1 B. Catalog of Charts C. IMO Practical Navigator D. IMO Light List 257How is the annual rate of change for magnetic variation shown on a pilot chart? _. A. Gray lines on the uppermost inset chart B. Red lines on the main body of the chart C. In parenthesis on the li

5、nes of equal magnetic variation D. Annual rate of change is not shown. 258Charted depth is the _. A.vertical distance from the chart sounding datum to the ocean bottom，plus the height of tide B.vertical distance from the chart sounding datum to the ocean bottom C.average height of water over a speci

6、fied period of time D.average height of all low waters at a place 259Chart correction information is NOT disseminated through the _. A. Summary of Corrections B. Local Notice to Mariners C. Daily Memorandum D. Chart Correction Card 260All straight lines represent great circle tracks on a chart based

7、 on a(n) _. A. Mercator projection B. polyconic projection C. orthographic projection D. gnomonic projection 261A revised print of a chart is made _. A. after every major hydrographic survey of the area covered by the chart B. when there are numerous corrections to be made or the corrections are ext

8、ensive C. when a low-stock situation occurs and minor corrections are made D. every two years to update the magnetic variation information 262A Mercator chart is a _. A. cylindrical projection B. simple conic projection C. polyconic projection D. rectangular projection 263_ chart 3994，positions read

9、 from this chart should be shifted 003 minutes Northward A. To consider B. To check C. To examine D. To agree with 264The changes in the channels sands and buoys on this coast are _ this chart can not be considered as a safe guide of the channel A. frequent B. so frequent C. frequent that D. so freq

10、uent that 265_ is a term denoting the determination of a ships position by observations of Celestial or terrestrial objects，or by a combination of both A. Course-planning B. Position-fixing C. Radar-plotting D. Stowage-plan making 266A chart position enclosed by a semi-circle is a(n) A. fix B. estim

11、ated position C. dead reckoning position D. running fix 267A true bearing of a charted object，when plotted on a chart，will establish a _. A. fix B. line of position C. relative bearing D. range 268Admiralty Charts are published in _. A. USA B. China C. UK D. Japan 269Attention is _ the advice on the

12、 use of charts in The Mariners Handbook Chapter 3，Section 1 A. fixed to B. needed for C. pushed to D. drawn to 270Distance along a track line is measured on a Mercator chart by using the _. A. latitude scale near the middle of the track line B. longitude scale near the middle of the track line C. la

13、titude scale at the midlatitude of the chart D. latitude or longitude scale at the middle of the scale 271Entering from sea，a daymark on the port side of the channel would be indicated on a chart by a _. A. red triangle with the letter R B. white triangle with the letters RG C. green square with the

14、 letter G D. white square with the letters GR 272Magnetic information on a chart may be _. A. found in the center(s) of the compass rose(s) B. indicated by isogonic lines C. found in a note on the chart D. All of the above 273My position has been obtained _ astronomical observation A. with B. from C

15、. on D. by 274Navigational charts are _ frequent changes，the important one of which are promulgated by Admiralty Notices to Mariners A. published with B. combined with C. in connection with D. subject to 275On the south and the east coasts of Block Island are circles with a dot in the center and labeled CUP. This is a _. A. conspicuous object B. steep depression in the surrounding hills that resembles a cup C.