单项选择题
The MOST important feature of the material used for making the binnacle of a standard magnetic compass is that it is（）.
A.nonmagnetic
B.weatherproof
C.corrosion resistant
D.capable of being permanently affixed to the vessel
点击查看答案&解析
相关考题
-
单项选择题
The magnetic compass operates on the principle that（）.
A.like magnetic poles attract
B.unlike magnetic poles repel
C.unlike poles attract
D.the poles of the compass line up with the geographic poles of the earth -
单项选择题
The magnetic compass magnets are acted on by the horizontal component of the Earth’s total magnetic force. This magnetic force is GREATEST at the（）.
A.north magnetic pole
B.south magnetic pole
C.magnetic prime vertical meridian
D.magnetic equator -
单项选择题
The lubber’s line on a magnetic compass indicates（）.
A.compass north
B.the direction of the vessel's head
C.magnetic north
D.a relative bearing taken with an azimuth circle
