Which measure should NOT be taken to reduce the pounding of a vessel in a head sea?（）

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

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

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

单项选择题Three SHORT BLASTS mean（）.

A.I am altering my course to starboard
B.I am altering my course to port
C.I am operating astern propulsion
D.I am operating ahead propulsion

单项选择题The winch is liable（）worn-out in this way.

A.getting
B.to get
C.to have got
D.for getting