A.Cut the painter line so that it will not pull the liferaft container down
B.Swim away from the container so that you will not be in danger as it goes down
C.Take no action as the pull on the painter will cause the liferaft to inflate and open the container
D.Manually open the container and inflate the liferaft with the hand pump
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A.Their bearing is almost constant，even when the true bearing of the contact changes appreciably
B.They always appear on a bearing of 90°From the true bearing of the contact
C.The indirect echoes usually appear in shadow sectors
D.When plotted，their movements are usually abnormal
A.sound signal
B.light signal
C.visual signal
D.radiotelephone
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
最新試題
AMVER is a system which provides（）.
An icebreaker displaying a flag hoist which consists of the code letters “WO” (Whiskey Oscar) is indicating that（）.
An authorized light to assist in the identification of submarines operating on the surface is a(n)（）.
An “atoll cloud” forming over an island due to heating of the land during the daytime would be which type? （）
Antiseptics are used principally to（）.
All Loran-C transmitting stations are equipped with cesium frequency standards which permit （）.
All portable fire extinguishers must be capable of being（）.
All personnel on board a vessel should be familiar with the rescue boat’s（）.
An indirect radar echo is caused by a reflection of the main lobe of the radar beam off the observer’s vessel. Which of the following is NOT a characteristic of indirect echoes? （）
An entry of water，gas，oil，or other formation fluid into the wellbore is called a（）.