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
单项选择题 What action must be taken when an individual cargo tank is closed off from the inert gas system by the tank isolation valve?（）
单项选择题 Using an inert gas system on a tanker has which advantage(s)? （）
单项选择题 Upon arrival at the discharging port，the inert gas system is（）.
