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On a nautical chart，the inner ring of a compass rose indicates ______.
A.true directions
B.compass error
C.deviation
D.magnetic directions
参考答案
更多 “ On a nautical chart，the inner ring of a compass rose indicates ______.A.true directionsB.compass errorC.deviationD.magnetic directions ” 相关考题
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On a mercator chart, 1 nautical mile is equal to ______.A.1 minute of longitudeB.1 degree of longitudeC.1 minute of latitudeD.1 degree of latitude
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On 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 channelB.indicates a danger areaC.is used to identify the characteristics of the lightD.serves no significant purpose
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Magnetic information on a chart may be ______.A.found in the center(s) of the compass rose(s)B.indicated by isogonic linesC.found in a note on the chartD.All of the above
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The compass rose on a nautical chart indicates both variation and ______.A.deviationB.annual rate of variation changeC.precessionD.compass error
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The numeral in the center of a wind rose circle on a pilot chart indicates the ______.A.total number of observationsB.average wind force on the Beaufort scaleC.average wind force in knotsD.percentage of calms
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Information for updating nautical charts is primarily found in the ______.A.Notice to MarinersB.Coast PilotsC.nautical chart catalogsD.Sailing Directions
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Your vessel is proceeding down a channel，and you see a pair of range lights that are in line dead ahead．The chart indicates that the direction of this pair of lights is 229°T，and variation is 6°W．If the heading of your vessel at the time of the sighting is 232°per standard magnetic compass，what is the correct deviation ________．A.3°EB.9°EC.3°WD.9°W
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______ is a digitized“picture”of a chart．A.Vector chart formatB.Raster chart dataC.pixelD.Electronic Nautical Chart
考题
Deviation is the angle between the ______.A.true meridian and the axis of the compass cardB.true meridian and the magnetic meridianC.magnetic meridian and the axis of the compass cardD.axis of the compass card and the degaussing meridian
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How is variation indicated on a small-scale nautical chart?______.A.Magnetic compass tableB.Magnetic meridiansC.Isogonic linesD.Variation is not indicated on small-scale nautical charts
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Magnetic compass deviation______．A.varies depending upon the bearing usedB.is the angular difference between magnetic north and compass northC.is published on the compass rose on most nautical chartsD.is the angular difference between geographic and magnetic meridians
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Magnetic information on a chart may be ______.A.found in the center(s) of the compass rese(s)B.indicated by isogonic linesC.found in a note on the chartD.All of the above
考题
单选题The agonic line on an isomagnetic chart indicates the （）.A
magnetic equatorB
magnetic longitude reference lineC
points where there is no variationD
points where there is no annual change in variation
考题
单选题On a nautical chart，the inner ring of a compass rose indicates（）.A
true directionsB
compass errorC
deviationD
magnetic directions
考题
单选题Which information does the outer ring of a compass rose on a nautical chart provide（）.A
variationB
true directionsC
magnetic directionsD
annual rate of variation change
考题
单选题The compass rose on a nautical chart indicates both variation and （）.A
deviationB
annual rate of variation changeC
precessionD
compass error
考题
单选题（）is a digitized“picture”of a chart.A
Vector chart formatB
Raster chart dataC
pixelD
Electronic Nautical Chart
考题
单选题What is an advantage of the magnetic compass aboard vessels?（）A
Compass error is negligible at or near the earth's magnetic polesB
It does not have to be checked as oftenC
It is reliable due to it's essential simplicityD
All points on the compass rose are readily visible
考题
单选题On a Mercator chart，1 nautical mile is equal to（）.A
1 minute of longitudeB
1 degree of longitudeC
1 minute of latitudeD
1 degree of latitude
考题
单选题The lubber’s line on a magnetic compass indicates（）.A
compass northB
the direction of the vessel's headC
magnetic northD
a relative bearing taken with an azimuth circle
考题
单选题How is variation indicated on a small-scale nautical chart?（）.A
Magnetic compass tableB
Magnetic meridiansC
Isogonic linesD
Variation is not indicated on small-scale nautical charts
考题
单选题Top and inner graduated borderlines of the chart are（）.A
scales of latitudeB
scales of longitudeC
compass roseD
source data
考题
单选题The numeral in the center of a wind rose circle on a pilot chart indicates the （）.A
total number of observationsB
average wind force on the Beaufort scaleC
average wind force in knotsD
percentage of calms
考题
单选题Information for updating nautical charts is primarily found in the（）.A
Notice to MarinersB
Coast PilotsC
nautical chart catalogsD
Sailing Directions
考题
单选题Magnetic compass deviation（）.A
varies depending upon the bearing usedB
is the angular difference between magnetic north and compass northC
is published on the compass rose on most nautical chartsD
is the angular difference between geographic and magnetic meridians
考题
单选题Magnetic information on a chart may be （）.A
found in the center(s) of the compass rose(s)B
indicated by isogonic linesC
found in a note on the chartD
All of the above
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