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
Petroleum cargo tanks should not be topped off at deck level when loading on a cold day because（）.
Upon arrival at the discharging port，the inert gas system is（）.
Regulations require that cargo pumps in tankers carrying grade D liquid cargo shall be isolatedfrom sources of vapor ignition by（）.
Using an inert gas system on a tanker has which advantage(s)? （）
The purpose of inert gas systems aboard tankers is to（）.
The number or name of a tank barge shall be（）.
One of the principal dangers inherent in liquefied petroleum gas is（）.
If you are fighting a fire below the main deck of your vessel，which action is most importantconcerning the stability of the vessel? （）
According to the Chemical Data Guide，1，3 - pentadiene possesses which characteristic? （）
Inerting means（）.