單項(xiàng)選擇題There has been a collision in sea area of Fork.（）.

A.Stand by to give assistance
B.Stand by to alter course
C.Stand by to stop engine
D.Stand by to go astern


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2.單項(xiàng)選擇題The major components which determine the length of a catenary in a deployed anchor cable are water depth，cable weight，and（）.

A.cable tension
B.water temperature
C.bottom conditions
D.water density

3.單項(xiàng)選擇題The litter on a ship must be able to（）.

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

4.單項(xiàng)選擇題The lifesaving signal indicating You are seen - assistance will be given as soon as possible is the（）.

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

5.單項(xiàng)選擇題The holding power of an anchor is the（）.

A.maximum sustained vertical load an anchor will resist before dragging
B.maximum sustained horizontal load an anchor will resist before dragging
C.maximum sustained vertical load an anchor will resist before the mooring line breaks
D.maximum sustained horizontal load an anchor will resist before the mooring line breaks