单选题How is the annual rate of change for magnetic variation shown on a pilot chart?（）AGray lines on the uppermost inset chartBRed lines on the main body of the chartCIn parenthesis on the lines of equal magnetic variationDAnnual rate of change is not shown
单选题
How is the annual rate of change for magnetic variation shown on a pilot chart?（）
A
Gray lines on the uppermost inset chart
B
Red lines on the main body of the chart
C
In parenthesis on the lines of equal magnetic variation
D
Annual rate of change is not shown
参考解析
解析：
暂无解析
相关考题：
听力原文：Banks change their base rates fairly infrequently.(5)A．Banks often change their base rate.B．Banks seldom change their base rate.C．Banks never change their base rate.D．Banks change their base rate at regular intervals.
The annual change in______is －0.2 degree east in this water area.A.mean high waterB.marine insuranceC.magnetic variationD.maritime accident
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 compass rose on a nautical chart indicates both variation and ______.A.deviationB.annual rate of variation changeC.precessionD.compass error
Lines on a chart which connect points of equal magnetic variation are called ______.A.magnetic latitudesB.magnetic declinationsC.dipD.isogonic lines
How is the annual rate of change for magnetic variation shown on a pilot chart? ______.A.Gray lines on the uppermost inset chartB.Red lines on the main body of the chartC.In parenthesis on the lines of equal magnetic variationD.Annual rate of change is not shown
The annual change in ______ is 0.2 degree．A.Magnetic VariationB.Marine InsuranceC.Maritime AccidentD.Mean High Water Spring
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
Telepresence and video conferencing have been an increasingly important component of the overall collaboration marker, which indicator is the best measure of the continued importance of these technologies going forward?（）A、generation Y ,raised on video, comprises 17 percent of the world populationB、the annual growth rate of the video-conferencing market is 23 percentC、the U.S internet traffic annual growth rate is more than 40 percentD、thecisco long-term growth-rate target is 12 percent to 17 percent
单选题As his moviemaking career began to wane, Jerry Lewis remained in the public eye by hosting both a variety show and on an annual telethon with benefits for the Muscular Dystrophy Association.Aon an annual telethon with benefits for the Muscular Dystrophy AssociationBan annual telethon with benefits to the Muscular Dystrophy AssociationCbenefiting the Muscular Dystrophy Association with his annual telethonDan annual telethon benefiting the Muscular Dystrophy AssociationEthe Muscular Dystrophy Association with an annual telethon
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Variation is not constant; it is different with every change in（）.AspeedBvessel headingCgeographical locationDcargo
单选题Lines on a chart which connect points of equal magnetic variation are called （）.Amagnetic latitudesBmagnetic declinationsCdipDisogonic lines
单选题Magnetic variation changes with a change in（）.Athe vessel's headingBsea conditionsCseasonsDthe vessel's position
单选题How does a vessel’s rate of turn change when entering shallow water?（）AIt is fasterBIt is slowerCThere is no changeDIt remains constant for varying propeller revolutions
单选题The permanent magnetism of a vessel may change in polarity due to（）.Abeing moored for a long time on one headingBbeing struck by lightingCsteaming from the north magnetic hemisphere to the south magnetic hemisphereDloading a homogenous magnetic cargo such as steel plate，iron bars，etc
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Variation is the angular measurement between（）.Acompass north and magnetic northBcompass north and true northCmagnetic meridian and the geographic meridianDyour vessel's heading and the magnetic meridian
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According to the passage, _____.Awe should not worry about the transition of the Earth’s magnetic fieldBthe Earth’s magnetic field will not change for at least 2000 yearsCthe Earth’s magnetic field has decreased its strength rapidlyDthe transition of the Earth’s magnetic field can be controlled by modern science
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Compass error is equal to the（）.Adeviation minus variationBvariation plus compass courseCcombined variation and deviationDdifference between true and magnetic heading