A.polygon
B.holding arc
C.catenary curve
D.parabolic curve
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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
A.vertical motion of white flags
B.vertical motion of a white light or flare
C.firing of a green star signal
D.None of the above
最新試題
There has been a collision in sea area of Fork.（）.
The litter on a ship must be able to（）.
It’s not advisable to cut（）the power supply.
The firing of a red star signal may mean（）.
It is NOT advisable to use nylon for alongside towing because it（）.
In order to maintain a safe speed at all times，any necessary alterations of speed must（）.
In determining the scope of anchor line to pay out when anchoring a small boat，one must consider the（）.
The Coordinator Surface Search in a SAR situation should display by day（）.
What is the lifesaving signal for，You are seen - assistance will be given as soon as possible?（）
The Master to prosecute all voyages with the utmost（）and to render customary assistance with the Vessel’s Crew.