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
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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
A.carry at least two injured persons
B.float for at least two hours
C.be used on the types of helicopters serving the unit
D.All of the above
最新試題
The major components which determine the length of a catenary in a deployed anchor cable are water depth，cable weight，and（）.
There has been a collision in sea area of Fork.（）.
The holding power of an anchor is the（）.
In the International Code of Signals，the code signal meaning I require immediate assistance is（）.
In order to maintain a safe speed at all times，any necessary alterations of speed must（）.
In order to pay out or slack a mooring line which is under strain，you should（）.
It’s not advisable to cut（）the power supply.
The lifesaving signal indicating You are seen - assistance will be given as soon as possible is the（）.
The firing of a red star signal may mean（）.
If your vessel is dragging her anchor in a strong wind，you should（）.