The fire extinguishing action of CO2 comes mostly from ().
相似题目
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Which extinguishing agent is NOT recommended in the Chemical Data Guide for use on a cyclohexane fire?()
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Which of the following statements is true concerning carbon dioxide when used as a fire extinguishing agent?()
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After extinguishing a paint locker fire using the fixed CO2 system,the next action is to have the space().
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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?()
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One of the disadvantages of using carbon dioxide to extinguish a fire in an enclosed space is ().
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In order to discharge a C02 portable fire extinguisher , the operator must first().
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The remote control for a fixed fire extinguishing system should be().
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Carbon dioxide flooding system is used for extinguishing fires because it reduces the concentration of oxygen in the air to().
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Which is the proper method of determining whether a portable CO2 fire extinguisher needs recharging?()
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A branch line valve of a fire extinguishing system on a ship must be marked with the().
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Which of the listed extinguishing agents is NOT suitable for fighting a liquid paint fire?()
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Dry chemical extinguishers extinguish class B fires to the greatest extent by().
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(),as the chemical extinguisher agent,should be used for an electric fire.
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The discharge from a carbon dioxide fire extinguisher should be directed().
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Halon extinguishers used on a class C fire should be directed at the().
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After a fire has been extinguished in a closed space, personnel may safely enter the space when ().
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When an oil fire has been extinguished, the surface of the oil should be kept covered with foam to prevent ().
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A galley grease fire on the stove may be extinguished using().
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Which of the listed fire extinguishers cannot be easily recharged aboard ship?()
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For which of the listed classes of fire combinations would carbon dioxide be most suitable as the extinguishing agent ().
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Which extinguishing agent is recommended in the Chemical Data Guide for use on a carbon disulfide fire?()
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The class of fire on which a blanketing effect is essential to extinguish the fire is ().
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Which of the listed fire extinguishers is recommended for use on an electrical switchboard fire?
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There is an electric fire. Get the ________ extinguisher.
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