你可能感興趣的試題

The common way to obtain your ship’s position is（）.

A.keeping a close watch and lookout
B.taking a radar range and bearing
C.observing a radar target and listening to signals
D.keeping a well clear caution

單項選擇題

The closest point of approach (CPA) of a contact on a relative motion radar may be determined（）.

A.immediately when the contact is noted on radar
B.only if the radar scope is watched constantly
C.after the contact has been marked at least twice
D.by an occasional glance at the radar

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The correct method of switching off a marine radar is to turn power switch to（）position first，then to（）position.

你可能感興趣的試題

The common way to obtain your ship’s position is（）.

The closest point of approach (CPA) of a contact on a relative motion radar may be determined（）.