航海英語(yǔ)磁羅經(jīng)與陀螺羅經(jīng)的使用單項(xiàng)選擇題每日一練(2019.01.23)

來(lái)源：考試資料網(wǎng)

1 The difference between magnetic heading and compass heading is called（）.

2 When adjusting a magnetic compass for error，a deviation table should be made（）.

3 The MOST important feature of the material used for making the binnacle of a standard magnetic compass is that it is（）.

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4 A vessel is heading magnetic east and its magnetic compass indicates a heading of 086°.Which action should be taken to remove this error during compass adjustment（）.

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5 What is the basic principle of the magnetic compass（）.

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