To center a compass bowl in its binnacle,you should have the ship on an even keel,heading north or south,and adjust the screws until().

A . the compass heading is in line with the lubber's line B . there is no lost motion in the gimbal rings C . no change of heading by compass is observed if you raise and lower the heeling magnet D . the gimbal rings do not strike the compass frame when they are tilted

时间:2022-11-02 06:22:49 所属题库:磁罗经与陀螺罗经的使用题库

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