A.The tank must be gas freed
B.The tank must be ballasted
C.The tank must be vented to the atmosphere
D.The bypass valve must also be closed
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A.Provides for faster loading
B.Lowers oxygen content in the tank
C.Provides better fuel economy
D.All of the above
A.turned on
B.turning on
C.turn on
D.to turn on
A.operate
B.check
C.install
D.overhaul
A.flammable vapors from entering machinery space
B.flue gas escaping to atmosphere
C.inert gas escaping to atmosphere
D.air entering inert gas system
A.allow sufficient oxygen in the tank to sustain life
B.prevent outside air from entering the tank
C.provide more discharge pressure
D.comply with pollution regulations
最新試題
Regulations require that tank vessels handling grade B liquids shall have their cargo pumps separated from all sources of vapor ignition by（）.
The blowers of an inert gas generation system aboard a tanker，will be automatically secured if（）.
Regulations require that tankers handling grade B liquids shall have their cargo pumps separated from all sources of vapor ignition by（）.
If you are fighting a fire below the main deck of your vessel，which action is most importantconcerning the stability of the vessel? （）
If a leak occurred while loading diethylenetriamine，the chemical data guide indicates you would smell an odor similar to（）.
The purpose of the deck seal in an inert gas system is to prevent（）.
Upon arrival at the discharging port，the inert gas system is（）.
The designations A，B，C，D and E grades of cargo refer to the（）.
In setting the valves on a steam-smothering system on a tank vessel，the master control valve to cargo tanks should be（）.
During loading and discharging operations，in addition to when the cargo tanks have been properly filled，each inert gas system must be capable of maintaining a minimum gas pressure of（）.