Safety Technology Exchange Edition: Daily Question (2016.7.19)
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This post was last edited by 68589544 on 2016-7-22 at 12:10. 1.jpg 1. ____ is mainly used to extinguish fires involving oils, such as those caused by gasoline, kerosene, diesel, benzene, toluene, and animal fats, in their early stages. A. Water-type fire extinguisher B. Chemical foam fire extinguisher C. Dry powder fire extinguisher D. Carbon dioxide fire extinguisher 2. Which of the following statements about the use of carbon dioxide fire extinguishers is incorrect? ____ A. When in use, do not touch the nozzle or metal tube directly with your hands if protective gloves are not worn, to avoid frostbite. B. When used outdoors, the downwind side should be chosen. C. When extinguishing a fire in a confined space, evacuate promptly after the fire is put out. D. When fighting a fire inside a building, open the doors and windows first to allow ventilation, before entering to prevent suffocation. B;B
1.C. Dry powder fire extinguisher； 2.B. When used outdoors, the downwind side should be chosen.
1. B. ---2. B.