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When crossing the magnetic equator the ______．
A.Flinders bar should be inverted
B.Heeling magnet should be inverted
C.The quadrantal spheres should be rotated 180°
D.Flinders bar should be moved to the opposite side of the binnacle
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更多 “ When crossing the magnetic equator the ______．A.Flinders bar should be invertedB.Heeling magnet should be invertedC.The quadrantal spheres should be rotated 180°D.Flinders bar should be moved to the opposite side of the binnacle ” 相关考题
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单选题If a ship is proceeding towards the magnetic equator，the uncorrected deviation due to permanent magnetism（）.A
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单选题Which statement about the Flinders bar of the magnetic compass is CORRECT（）.A
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单选题You are about to go to sea and adjust the magnetic compass．To expedite the adjustment at sea，in what order should the following dockside adjustments be made（）.A
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考题
单选题When crossing the magnetic equator the（）.A
Flinders bar should be invertedB
Heeling magnet should be invertedC
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单选题When relieving the helm，the new helmsman should know the（）.A
Course per magnetic steering compassB
Gyro errorC
VariationD
Maximum rudder angle previously used
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单选题When adjusting a magnetic compass for error，a deviation table should be made（）.A
before correcting for any deviationB
after correcting for variationC
after adjusting the fore-and-aft and athwartships permanent magnetsD
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单选题At the magnetic equator there is no induced magnetism in the vertical soft iron because（）.A
the lines of force cross the equator on a 0°-180°alignmentB
the quadrantal error is 0°C
there is no vertical component of the Earth's magnetic fieldD
the intercardinal headings have less than 1°
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