單項(xiàng)選擇題To agree with larger scale chart,latitudes taken from this chart should be increased () about 8 seconds.

A.with
B.in
C.by
D.to


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1.單項(xiàng)選擇題The survey information upon which a chart is based is found ().

A.at the top center of the next line
B.near the chart title
C.at the lower left corner
D.at any convenient location

2.單項(xiàng)選擇題What information is NOT found in the chart title? ()

A.Survey information
B.Scale
C.Date of first edition
D.Projection

3.單項(xiàng)選擇題A chart with a scale of 1:80,000 would fall into the category of a().

A.sailing chart
B.general chart
C.coastal chart
D.harbor chart

4.單項(xiàng)選擇題Where would you obtain data on currents for areas of the world not covered by the National Ocean Service().

A.In the Coast Pilot
B.In the Nautical Almanac
C.In the List of Lights
D.In the Sailing Directions

5.單項(xiàng)選擇題On a Mercator chart,1 nautical mile is equal to().

A.1 minute of longitude
B.1 degree of longitude
C.1 minute of latitude
D.1 degree of latitude

6.單項(xiàng)選擇題What is NOT an advantage of the rhumb line track over a great circle track? ()

A.Easily plotted on a Mercator chart
B.Negligible increase in distance on east-west courses near the equator
C.Does not require constant course changes
D.Plots as a straight line on Lambert conformal charts

7.單項(xiàng)選擇題The broken magenta lines(long and short dashes)in and around Mobjack Bay indicate().

A.Amphibious training areas
B.Grounds for dredge spoil
C.Fish trap areas
D.Gunnery exercise areas

8.單項(xiàng)選擇題A chart position enclosed by a square is a(n)().

A.fix
B.estimated position
C.dead reckoning position
D.running fix

9.單項(xiàng)選擇題Which information does the outer ring of a compass rose on a nautical chart provide().

A.variation
B.true directions
C.magnetic directions
D.annual rate of variation change

10.單項(xiàng)選擇題A chart projection depicting the poles and a small area on either side of a connecting meridian,that is sometimes used for star charts,is the().

A.Azimuthal gnomonic projection
B.Lambert conformal projection
C.Transverse Mercator projection
D.Polyconic projection