3. C 根据Keep an eye on things中的“After the fire appearsto be out, continue to watch the fire area to make sure it doesn'tstart burning again."可知,灭火后,仍需持续观察火场,避免火苗再起。故选C。4. B 根据文中 Have a clear exit route 中的“Before operatingthe fire extinguisher, ...
How to Use a Fire Extinguisher The proper way to use the extinguisher is to aim low, directly at the fuel, rather than the flames themselves, and move the stream with a sweeping motion. Types of Portable Fire Extinguishers There are a few different types of fire extinguisher, classified by...
what is fire extinguisher and how to use fire extinguisher what is fire extinguisher and how to use fire extinguisher fire extinguisher is a portable device which used to extinguish or control small fires, it is use often in emergency situations. fire extinguisher discharges a jet of water, dry...
When deciding how to draw attention tofire extinguisher locations, consider what a situation may look like when a fire erupts. The room may fill with smoke. The power may go out. Obstacles may be blocking the path to the extinguishers. With realistic scenarios in mind, you’re better able ...
Fire extinguishers are designed to put out fires in the incipient stage. That’s fireman talk for when the fire is just getting started. When it gets past the beginning stage, a fire becomes too large to fight with a portable extinguisher. How do you know if the fire is still in the ...
The article offers suggestions regarding the use of fire extinguishers during fire outbreak on boats which include proper handling of the fire extinguisher, sweeping the base of fire with extinguishers and using extinguisher according to the type ...
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How Fires Work Inside a Fire Extinguisher Types of Portable Fire Extinguishers When to Call the Fire Department How Fires Work Fire is the result of a chemical combustion reaction, typically a reaction between oxygen in the atmosphere and some sort of fuel (wood or gasoline, for exa...
The fire extinguisher is used to put out fires. We should know how to use it. “fire extinguisher” means ___. A. 灭火器 B. 水桶 C. 扫帚 D. 拖把 相关知识点: 试题来源: 解析 A。“fire extinguisher”是“灭火器”的英文表达。B选项“水桶”是“bucket”;C选项“扫帚”是“broom”;D选项...
A. Point the extinguisher nozzle at the base of the fireB. Pull the pinC. Squeeze the triggerD. Hold the extinguisher horizontally 相关知识点: 试题来源: 解析 ABC 正确操作便携式灭火器的步骤包括:拉出保险销、将喷嘴对准火源底部、挤压扳机。因此,正确答案为 ABC。选项 D 错误,因为灭火器应该垂直持...