航海英語磁羅經(jīng)與陀螺羅經(jīng)的使用單項(xiàng)選擇題每日一練(2019.01.24)

來源：考試資料網(wǎng)

1 Which compensates for errors introduced when the vessel heels over（）.

2 The total magnetic effects which cause deviation of a vessel’s compass can be broken down into a series of components which are referred to as（）.

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3 Which magnetic compass corrector（s）CANNOT be set on a heading of magnetic east or magnetic west（）.

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4 The vertical component of the Earth’s magnetic field causes induced magnetism in vertical soft iron. This changes with latitude. What corrects for this coefficient of the deviation? （）

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5 The lubber’s line of a magnetic compass（）.

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