What is NOT a characteristic of carbon dioxide fire-extinguishing agents?（）

To lubricate the swivel or remove corrosion from a fire hose coupling，you should use（）.

There is a fire aft aboard your vessel. To help fight the fire，you should（）.

Water fog from an all-purpose nozzle may be used to（）.

Triethylene glycol fires may be extinguished by（）.

What does blowing tubes accomplish?（）

What is an advantage of using foam in fire fighting?（）

To prevent the spread of fire by conduction you should（）.

What is the most vulnerable part of the fire main system on board an offshore rig?（）

The ventilation system of your ship has fire dampers restrained by fusible links. Which statement is TRUE?（）