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Oil fires are best extinguished by().
Foam extinguishes a fire mainly by().
A fire in electrical equipment should be extinguished by using().
Triethylene glycol fires may be extinguished by().
How does foam extinguish an oil fire?()
A foam-type portable fire extinguisher is most useful in fighting a fire in().
If a CO2 fire extinguisher is not readily available, which of the listed fire extinguishers would be best suited to combat a small electrical fire in a switchboard?()
Foam extinguishes a fire by().
Foam extinguishes a fire by().
Halon extinguishes a fire by().
Halon extinguishes fire primarily by().
Portable foam type fire extinguishers are most effective on().
Removing which will extinguish a fire?().
A fire can be extinguished by removing ().
Removing which will extinguish a fire?().
RULE III. EXTINGUISHING FIRE ON SHIPBOARD: Damage done to a ship and cargo, or either of them, by water or otherwise, including damage by beaching or scuttling a burning ship, in extinguishing a fire on board the ship, shall be made good as general average; except that no compensation shall be made for damage by smoke or heat however caused. 根据以上条款,不能列入共同海损的是()。
If a small fire initially breaks out in the engine room bilges, in which of the following sequences should the fire extinguishing agents or systems be used?()
Except in rare cases,it is impossible to extinguish a shipboard fire by().
Except in rare cases, it is impossible to extinguish a shipboard fire by ().
Except in rare cases,it is impossible to extinguish a shipboard fire by().
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