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
您可能感興趣的試卷
你可能感興趣的試題
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 signal indicating Greenwich mean time would be preceded with（）.
A note of protest is a declaration made by the Master of a vessel before a notary public.Its purpose is to（）.
A seaman may have all or part of his wages deposited by allotment to a bank or savings institution. Which of the following is NOT a requirement for this type of allotment? （）
A single line of position combined with a dead-reckoning position results in a(n)（）.
A schooner is a fore-and-aft rigged vessel with（）.
A signal indicating zone time is preceded with the letter（）.
A master would be well advised to note a sea protest if（）.
A seaman you have just discharged has a Continuous Discharge Book. Which statement is TRUE? （）
A vessel transferring cargo while underway is classified by the Rules as a vessel（）.
How does an inert gas system on a tanker function to prevent explosions in cargo tanks? （）