单项选择题
A.Make an entry in the official logbook
B.Open the master control valves on the fixed CO2 system
C.Start the fire pump and check discharge pressure
D.Secure auxiliary condenser overboard discharge
单项选择题 While on watch in the engine room, you hear a continuous sounding of the general alarmWhich of the following actions should you take FIRST?（）
单项选择题 An oceangoing ship of 400 gross tons and above must be fitted with a standard discharge shore connectionWhat is the size of the bolt circle diameter of the shore connection required to transfer oily ballast to a shore side reception facility?（）
单项选择题 A firemans outfit carried onboard cargo vessels, must have a （）.