A.Green star rocket
B.Red star rocket
C.Orange smoke signal
D.Horizontal motion of a flag
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A.3 white star signals
B.Horizontal motion with a white flag
C.Vertical motion of a white light
D.Code letter K by blinker light
A.polygon
B.holding arc
C.catenary curve
D.parabolic curve
A.Stand by to give assistance
B.Stand by to alter course
C.Stand by to stop engine
D.Stand by to go astern
A.fastness
B.speeding
C.swiftness
D.dispatch
A.cable tension
B.water temperature
C.bottom conditions
D.water density
最新試題
In order to detect rot in manila lines，you should（）.
The Coordinator Surface Search in a SAR situation should display by day（）.
If your vessel is dragging her anchor in a strong wind，you should（）.
The hoist line primarily used for lifting personnel on ship cranes is called the（）.
What is the lifesaving signal for，You are seen - assistance will be given as soon as possible?（）
The firing of a red star signal may mean（）.
The head of the bend is the（）.
Marline is（）.
It is good practice to use long towlines for ocean tows because the（）.
The litter on a ship must be able to（）.