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 negative GM flops to an angle of（）.
A sail hook is used for（）.
A ship having continuous closely spaced transverse strength members is（）.
A schooner is a fore-and-aft rigged vessel with（）.
A seaman you have just discharged has a Continuous Discharge Book. Which statement is TRUE? （）
A single vessel being towed alongside shall exhibit（）.
A semisubmersible rig under tow should be ballasted down if（）.
A single line of position combined with a dead-reckoning position results in a(n)（）.
How should cargo tank hatches be protected when the ullage opening is open and the tank NOT gas free?（）
A shipmate suffers a heart attack and stops breathing. You must（）.