单项选择题
A.NOT contain more than 200 pounds of CO2 B.be automatically operated by a heat actuator C.have an audible alarm D.All of the above
CO2 cylinders equipped with pressure actuated discharge...
单项选择题CO2 cylinders equipped with pressure actuated discharge heads will discharge automatically when（）.
A.the discharge valve is open B.the control box glass is broken C.pressure from the control cylinders is detected D.the control cylinders have been completely discharged
Automatic mechanical ventilation shutdown is required f...
单项选择题Automatic mechanical ventilation shutdown is required for CO2 systems protecting the（）.
A.machinery spaces B.cargo compartments C.living quarters D.galley
An inflatable liferaft should be lifted back aboard the...
单项选择题An inflatable liferaft should be lifted back aboard the ship by using（）.
A.the single hook at the top of the raft B.two lines passed under the raft C.the towing bridle D.All of the above
