A.Low oxygen alarm
B.Low pressure alarm
C.Scrubber high water level alarm
D.Deck seal low water alarm
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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
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
最新試題
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（）.
Upon arrival at the discharging port，the inert gas system is（）.
According to the Chemical Data Guide，1，3 - pentadiene possesses which characteristic? （）
Regulations require that cargo pumprooms on tank barges (constructed in 1965) carrying grades B or C liquid cargoes have power ventilation systems which can completely change the air in （）.
The designations A，B，C，D and E grades of cargo refer to the（）.
Regulations require that cargo tanks carrying grades D or E liquids on tank barges be vented with（）.
Regulations require that cargo pumps in tankers carrying grade D liquid cargo shall be isolatedfrom sources of vapor ignition by（）.
The blowers of an inert gas generation system aboard a tanker，will be automatically secured if（）.
Sour crude oil（）.
Spreading oil on the open sea has the effect of（）.