On a nautical chart，the inner ring of a compass rose indicates ______.A.true directionsB.compass errorC.deviationD.magnetic directions
On a nautical chart，the inner ring of a compass rose indicates ______.
A.true directions
B.compass error
C.deviation
D.magnetic directions
相关考题：
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
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
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
The compass rose on a nautical chart indicates both variation and ______.A.deviationB.annual rate of variation changeC.precessionD.compass error
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
Information for updating nautical charts is primarily found in the ______.A.Notice to MarinersB.Coast PilotsC.nautical chart catalogsD.Sailing Directions
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
______ is a digitized“picture”of a chart．A.Vector chart formatB.Raster chart dataC.pixelD.Electronic Nautical Chart
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
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
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
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
单选题The agonic line on an isomagnetic chart indicates the （）.Amagnetic equatorBmagnetic longitude reference lineCpoints where there is no variationDpoints where there is no annual change in variation
单选题On a nautical chart，the inner ring of a compass rose indicates（）.Atrue directionsBcompass errorCdeviationDmagnetic directions
单选题Which information does the outer ring of a compass rose on a nautical chart provide（）.AvariationBtrue directionsCmagnetic directionsDannual rate of variation change
单选题The compass rose on a nautical chart indicates both variation and （）.AdeviationBannual rate of variation changeCprecessionDcompass error
单选题（）is a digitized“picture”of a chart.AVector chart formatBRaster chart dataCpixelDElectronic Nautical Chart
单选题What is an advantage of the magnetic compass aboard vessels?（）ACompass error is negligible at or near the earth's magnetic polesBIt does not have to be checked as oftenCIt is reliable due to it's essential simplicityDAll points on the compass rose are readily visible
单选题On a Mercator chart，1 nautical mile is equal to（）.A1 minute of longitudeB1 degree of longitudeC1 minute of latitudeD1 degree of latitude
单选题The lubber’s line on a magnetic compass indicates（）.Acompass northBthe direction of the vessel's headCmagnetic northDa relative bearing taken with an azimuth circle
单选题How is variation indicated on a small-scale nautical chart?（）.AMagnetic compass tableBMagnetic meridiansCIsogonic linesDVariation is not indicated on small-scale nautical charts
单选题Top and inner graduated borderlines of the chart are（）.Ascales of latitudeBscales of longitudeCcompass roseDsource data
单选题The numeral in the center of a wind rose circle on a pilot chart indicates the （）.Atotal number of observationsBaverage wind force on the Beaufort scaleCaverage wind force in knotsDpercentage of calms
单选题Information for updating nautical charts is primarily found in the（）.ANotice to MarinersBCoast PilotsCnautical chart catalogsDSailing Directions
单选题Magnetic compass deviation（）.Avaries depending upon the bearing usedBis the angular difference between magnetic north and compass northCis published on the compass rose on most nautical chartsDis the angular difference between geographic and magnetic meridians
单选题Magnetic information on a chart may be （）.Afound in the center(s) of the compass rose(s)Bindicated by isogonic linesCfound in a note on the chartDAll of the above