Magnetic heading differs from compass heading by______.
A.compass error
B.true heading
C.variation
D.Deviation
Magnetic dip is a measurement of the angle between the ______.A.geographic pole and the magnetic poleB.lubber’s line and true northC.horizontal and the magnetic line of forceD.compass heading and the magnetic heading
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单选题The difference between magnetic heading and compass heading is called().A variationB deviationC compass errorD drift
单选题True heading differs from magnetic heading by().A deviationB variationC compass errorD northerly error
单选题Magnetic heading differs from compass heading by().A compass errorB true headingC variationD deviation
单选题Which magnetic compass corrector(s)CANNOT be set on a heading of magnetic east or magnetic west().A Heeling magnetB Flinders barC Fore-and-aft magnetsD All of the above can be set on magnetic east or magnetic west headings
单选题If the magnetic heading is greater than the compass heading,the deviation is().A eastB westC northD south
单选题If the compass heading and the magnetic heading are the same then().A the deviation has been offset by the variationB there is something wrong with the compassC the compass is being influenced by nearby metalsD there is no deviation on that heading