A.An oxygen indicator
B.A combustible gas indicator
C.A combination combustible gas and oxygen indicator
D.A flame safety lamp
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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
A.lapped construction
B.strapped construction
C.joggled construction
D.belted construction
最新試題
What is the best instrument for establishing a safe working area before welding in a confined space? （）
What is the BEST conductor of electricity?（）
The Master to prosecute all voyages with the utmost（）and to render customary assistance with the Vessel’s Crew.
Your ship must（）.
You are standing the wheelwatch on entering port and the Master gives you a rudder command which conflicts with a rudder command from the Pilot.What should you do（）.
Which statement describes the shore between Watch Hill Point and Point Judith? （）
While you are on watch entering port，the Master gives the helmsman a rudder command which conflicts with a rudder command from the Pilot.You should make sure the helmsman（）.
If in any doubt as to the pilot’s actions or intentions，the officer in charge of the navigational watch shall（）.
Prior to each voyage the master of every ship shall ensure that the intended route from the port of departure to（）is planned using adequate and appropriate charts and other nautical publications necessary for the intended voyage.
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.