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
您可能感興趣的試卷
你可能感興趣的試題
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
If a leak occurred while loading diethylenetriamine，the chemical data guide indicates you would smell an odor similar to（）.
Regulations require that tank vessels handling grade B liquids shall have their cargo pumps separated from all sources of vapor ignition by（）.
The component in an inert gas system used for cleaning the gas of solid and sulphur combustion products，while simultaneously cooling the inert gas，is called the（）.
What alarm is NOT found on an inert gas system? （）
What action must be taken when an individual cargo tank is closed off from the inert gas system by the tank isolation valve?（）
The combined fan discharge rate in an inert gas system is related to the（）.
If you are fighting a fire below the main deck of your vessel，which action is most importantconcerning the stability of the vessel? （）
Regulations require that pumprooms on tank vessels carrying grade C liquid cargo with machinery spaces below the freeboard deck be ventilated with（）.
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（）.
Spreading oil on the open sea has the effect of（）.