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When dry chemical extinguishers are used to put out class B fires,there is a danger of reflash because dry chemical().
Oil fires are best extinguished by().
An advantage of an ABC dry chemical over a carbon dioxide extinguisher is().
An advantage of a dry chemical over a carbon dioxide fire extinguisher is its().
An advantage of an ABC dry chemical over a carbon dioxide extinguisher is().
An advantage of a dry chemical over a carbon dioxide fire extinguish is its().
Foam extinguishes a fire mainly by().
Triethylene glycol fires may be extinguished by().
An “ABC” dry chemical fire extinguisher would be LEAST effective against a fire in().
An ABC dry chemical fire extinguisher would be least effective against a fire in().
Dry chemical fire extinguishers are effective on which type(s) of fire?()
Foam extinguishes a fire by().
Foam extinguishes a fire by().
Halon extinguishes a fire by().
Halon extinguishes fire primarily by().
When must a dry chemical fire extinguisher be recharged?()
Removing which will extinguish a fire?().
Removing which will extinguish a fire?().
Which extinguishing agent is NOT recommended in the Chemical Data Guide for use on a cyclohexane 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()。
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