山东交通学院
第一章Attention is called to the fact that in many cases pipelines are not ______ and charted depths may be decreased by up to 2 meters.
A. concealed
D. built
答案:B. buried
Depths of {wk.} are to be inserted in the chart.
A. work
答案:B. wreck
For full information regarding the current circulation of the Indian Ocean, ______ Sailing Direction, Current Atlas, etc.
A. watch
答案:C. see
In Admiralty Sailing Directions, STRIPES is the word used to indicate ______ marking.
A. horizontal
答案:D. vertical or diagonal
In the Uniform Cardinal System of Buoyage, a buoy in the eastern quadrant from a danger could ______.
A. be black and white horizontally striped
D. be any of the above
答案:C. have a black top mark
The lateral system is used in ____.
答案:B. restricted waters such as buoyed channels
What would be the color of an IALA starboard hand lateral buoy, as seen when sailing toward land, in Europe?
A. Green
答案:A. Green
When reversing, the tidal stream will have a period with little or no effect. This is call the_____.
A. rise
C. slack
答案:C. slack
The average time between two high waters is 12 hours and 25 minutes because this is the time it takes for ______.
A. The sun to be at the opposite side of the moon
答案:B. The moon to be at the opposite side of the earth
What is the tidal height?
答案:C. The water above the Lowest Astronomical Tide
Data relating to the direction and velocity of rotary tidal currents can be found in the ______
A. Mariners Guide
C. Nautical Almanac
答案:B. Tidal Current Tables
From ______ the mariner can know the data of tide.
答案:C. the tide table
Which is a weekly publication advising mariners of important matters affecting navigational Safety ?
答案:B. Notice to Mariners
In which source could you find the number of a chart for a certain geographic area?
A. Chart No.1
答案:B. Catalog of Charts
All of the following information concerning lighted aids to navigation may be read directly from the light list except the ______
A. location
B. height of light above water
D. light characteristics
答案:C. luminous range
The arrangement of charts in the catalogue is _________.
A. on a regional basis
答案:A. on a regional basis
The datum from which the predicted heights of tides are reckoned in the tide table is _____.
A. mean low water
C. the highest possible level
D. given in table three of the tide tables
答案:B. the same as that used for the charts of the locality
Many of the soundings shown on the 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
答案:C. inadequate and often very old surveys
Lines on a chart which connect points of equal magnetic variation are called ______.
A. magnetic latitudes
B. magnetic declinations
C. dip
答案:D. isogonic lines
How is the annual rate of change for magnetic variation shown on a pilot chart?
A. Gray lines on the uppermost inset chart
答案:A. Gray lines on the uppermost inset chart
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