单项选择题
A.Add ballast in the afterpeak B.Add ballast forward C.Alter course D.Reduce speed
Which may ignite fuel vapors?（）A.Static electricityB.An...
单项选择题Which may ignite fuel vapors?（）
A.Static electricity B.An open and running motor C.Loose wiring D.All of the above
Where would you find the call sign or call letters of t...
单项选择题Where would you find the call sign or call letters of the radio station on your ship?（）
A.In the rig safety manual B.On the Certificate of Inspection C.On the Ship Station License D.On the rig Watch Bill
To safely anchor a vessel there must be sufficient scop...
单项选择题To safely anchor a vessel there must be sufficient scope in the anchor cable. Scope is the ratio of（）.
A.weight of cable to weight of vessel B.weight of cable to weight of anchor C.length of anchor to depth of water D.length of cable to depth of water
