單項(xiàng)選擇題

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 equal
B.Compass north will be true north
C.Variation will equal deviation
D.There will be no compass error

你可能感興趣的試題

單項(xiàng)選擇題

If the compass heading and the magnetic heading are the same then（）.

A.the deviation has been offset by the variation
B.there is something wrong with the compass
C.the compass is being influenced by nearby metals
D.there is no deviation on that heading

單項(xiàng)選擇題

If the gyrocompass error is east，what describes the error and the correction to be made to gyrocompass headings to obtain true headings?（）.

A.The readings are too low (small numerically) and the amount of the error must be added to the compass to obtain true
B.The readings are too low and the amount of the error must be subtracted from the compass to obtain true
C.The readings are too high (large numerically) and the amount of the error must be added to the compass to obtain true
D.The readings are too high and the amount of the error must be subtracted from the compass to obtain true

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If a magnetic compass is not affected by any magnetic field other than the Earth’s，which statement is TRUE?（）.

你可能感興趣的試題

If the compass heading and the magnetic heading are the same then（）.

If the gyrocompass error is east，what describes the error and the correction to be made to gyrocompass headings to obtain true headings?（）.

If a magnetic compass is not affected by any magnetic field other than the Earth’s，which statement is TRUE?（）.