The compass rose on a nautical chart indicates both variation and ______.A.deviationB.annual rate of variation changeC.precessionD.compass error
The compass rose on a nautical chart indicates both variation and ______.
A.deviation
B.annual rate of variation change
C.precession
D.compass error
相关考题：
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
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
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
On a nautical chart，the inner ring of a compass rose indicates ______.A.true directionsB.compass errorC.deviationD.magnetic 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
Compass error is equal to the ______.A.deviation minus variationB.variation plus compass courseC.combined variation and deviationD.difference between true and magnetic heading
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
If a magnetic compass is not affected by any magnetic field other than the Earth’s which statement is TRUE?______.A.Compass error and variation are equalB.Compass north will be true northC.Variation will equal deviationD.There will be no compass error
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
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If a magnetic compass is not affected by any magnetic field other than the Earth’s，which statement is TRUE? （）ACompass error and variation are equalBCompass north will be true northCVariation will equal deviationDThere will be no compass error
单选题Which word indicates color variation in the characteristics of a light?（）AOpposingBChangingCReversingDAlternating
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Variation is a compass error that you（）.Acan correct by adjusting the compass cardBcan correct by adjusting the compensating magnetsCcan correct by changing the vessel's headingDcannot correct
单选题Variation in a compass is caused by（）.Aworn gears in the compass housingBmagnetism from the earth's magnetic fieldCmagnetism within the vesselDlack of oil in the compass bearings
单选题The principal purpose of magnetic compass adjustment is to（）.Areduce the variation as much as possibleBreduce the deviation as much as possibleCreduce the magnetic dip as much as possibleDallow the compass bowl to swing freely on its gimbals
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Compass error is equal to the（）.Adeviation minus variationBvariation plus compass courseCcombined variation and deviationDdifference between true and magnetic heading
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