A.Stem
B.Pin
C.Box
D.Stand
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A.An oxygen indicator
B.A combustible gas indicator
C.A combination combustible gas and oxygen indicator
D.A flame safety lamp
A.Carbon dioxide
B.Distilled water
C.Fresh water
D.Salt water
A.keep ports，doors，windows，and hatches closed
B.start engines immediately
C.ventilate before starting engine
D.None of the above
A.not
B.no
C.any
D.none
A.abeam
B.dead astern
C.just forward of the beam on either side
D.on either side of the stern
最新試題
What is the function of an air receiver in the compressed air system on a ship? （）
Which two components pass through the shank of an LWT anchor?（）
Your ship must（）.
Which fitting is used to connect the boom to the mast? （）
When the pilot is embarked he or she（）.
In determining that the（）of the navigational watch is adequate to ensure that a proper look-out can continuously be maintained，the master shall take into account all relevant factors.
What is the BEST conductor of electricity（）.
What is the BEST conductor of electricity?（）
Upon completion of fueling a gasoline driven vessel it is necessary to（）.
When must the Master or person in charge of a ship log the position of load line marks in relation to the surface of the water in the logbook?（）