Accumulations of oily rags should be（）.

单项选择题CO2 cylinders，which protect the small space in which they are stored must（）.

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

单项选择题Fire in an engine compartment is best extinguished with carbon dioxide gas (CO2) and by（）.

A.closing the compartment except for the ventilators
B.completely closing the compartment
C.leaving the compartment open to the air
D.increasing the air flow to the compartment by blowers

单项选择题Actuating the CO2 fixed system causes the shutdown of the（）.

A.fuel supply
B.exhaust ventilation
C.supply and exhaust ventilation
D.mechanical and natural ventilation

单项选择题A safety outlet is provided on the CO2 discharge piping to prevent（）.

A.over pressurization of the space being flooded
B.rupture of cylinder due to temperature increase
C.over pressurization of the CO₂ discharge piping
D.flooding of a space where personnel are present

单项选择题A fire in the galley ALWAYS poses the additional threat of（）.

A.contaminating food with extinguishing agent
B.spreading through the engineering space
C.causing loss of stability
D.a grease fire in the ventilation system