单项选择题

What alarm is NOT found on an inert gas system? （）

A.Low oxygen alarm
B.Low pressure alarm
C.Scrubber high water level alarm
D.Deck seal low water alarm

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单项选择题

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

单项选择题

A.Provides for faster loading
B.Lowers oxygen content in the tank
C.Provides better fuel economy
D.All of the above

单项选择题

A.turned on
B.turning on
C.turn on
D.to turn on