A.sound signal
B.light signal
C.visual signal
D.radiotelephone
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A.icebreaker support is finished
B.icebreaker support is commencing
C.the icebreaker is icebound
D.the icebreaker is beset
A.I am altering my course to starboard
B.I am altering my course to port
C.I am operating astern propulsion
D.My vessel is stopped and making no way through the water
A.Bruce anchor
B.Dunn anchor
C.Hook anchor
D.Danforth anchor
A.naphtha，vm and p
B.tridecanol
C.cottonseed oil
D.camphor oil
A.piperyline
B.motor gasoline
C.kerosene
D.mineral spirits
最新試題
All OSV personnel should be familiar with survival craft（）.
All of the following information concerning lighted aids to navigation may be read directly from the Light List EXCEPT the（）.
All of the following vessels are “restricted in their ability to maneuver” EXCEPT a vessel （）.
An “on-load” release system on a survival craft means the cable can be released（）.
An icebreaker assisting a vessel through an ice field would display a visual signal consisting of the code letter “E” (Echo) to signify that “（）”.
An “atoll cloud” forming over an island due to heating of the land during the daytime would be which type? （）
An anchored vessel is servicing an aid to navigation and is restricted in her ability to maneuver. Which lights will she show? （）
All Loran-C transmitting stations are equipped with cesium frequency standards which permit （）.
An icebreaker may use the code letter “K” to remind ships of their obligation to listen continuously on their radio. This signal may be made by any of the following EXCEPT（）.
An azimuth angle for a body is measured from the（）.