A.De-energizes the "charged mist" effect
B.Maintains a positive pressure on the vent header to cool the flammable vapors
C.Inert gas filters out the flammable vapors from the cargo tank spaces
D.Inert gas dilutes the flammable vapor and air concentrations to keep them below the lower explosive limit
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A.it
B.this
C.that
D.which
A.enters
B.enters into
C.enters with
D.enters to
A.Open
B.Restricted
C.Closed
D.None
A.evenly distributed vertically and the double bottoms are full
B.concentrated low and the double bottoms are empty
C.concentrated low and the double bottoms are full
D.concentrated high and the double bottoms are empty
A.restricted in her ability to maneuver
B.in special circumstances
C.not under command
D.constrained by her draft
最新試題
A semisubmersible with a positive GM，and TCG located starboard of the centerline，inclines to an angle of（）.
Hygroscopic cargoes should be ventilated when（）.
A set of clamps that are latched onto the drill pipe to allow the driller to raise or lower the drill string out of or into the hole are the（）.
A semisubmersible rig under tow should be ballasted down if（）.
A vessel transferring cargo while underway is classified by the Rules as a vessel（）.
A semisubmersible which flops between forward and aft angles of trim is likely to have（）.
A shipmate suffers a heart attack and stops breathing. You must（）.
A signal indicating Greenwich mean time would be preceded with（）.
A Master would be well advised to file a note of protest if（）.
Fearing damage from either or both of the above incidents，the Master now（）me this note of protest，reserving to himself the right to extend same at time and place convenient．