A.Bruce anchor
B.Dunn anchor
C.Hook anchor
D.Danforth anchor
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A.naphtha，vm and p
B.tridecanol
C.cottonseed oil
D.camphor oil
A.piperyline
B.motor gasoline
C.kerosene
D.mineral spirits
A.blowout
B.kick
C.gusher
D.flow
A.Carbon dioxide
B.Dry chemical
C.Foam
D.All of the above
A.observer's meridian
B.Greenwich meridian
C.body's meridian
D.zenith distance
最新試題
An airplane should NOT send which signal in reply to a surface craft?（）
In respect of carrier’s liabilities，responsibilities，rights and immunities the（）contained in the International Convention for the Unification of Certain Rules Relating to Bills of Lading，signed at Brussels on August 25，1924，shall be applied.
Aids to navigation marking the intracoastal waterway can be identified by（）.
An indirect radar echo is caused by a reflection of the main lobe of the radar beam off the observer’s vessel. Which of the following is NOT a characteristic of indirect echoes? （）
An advantage of using chain lashing on heavy vehicles aboard Ro-Ro vessels is that it（）.
An example of a grade B product is（）.
An all-round flashing yellow light may be exhibited by a(n)（）.
An icebreaker assisting a vessel through an ice field would display a visual signal consisting of the code letter “E” (Echo) to signify that “（）”.
An aneroid barometer on a boat should always be（）.
All of the following are part of the fire triangle EXCEPT（）.