A.With gooseneck vents
B.With warning signs
C.With flame screens
D.With pressure-vacuum relief valves
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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
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
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