What is Fire Triangle? For combustion to take place three components are necessary and these form the ‘fire triangle’, removing any one of the components will prevent or extinguish a fire.The components are: Fuel: There must be a source of fuel for any fire to take place. In most cases...
D. Forest, grassland and a heat source. 相关知识点: 试题来源: 解析 C 正确答案:C 解析:根据原文“There are three conditions…the fire triangle:fuel,oxygen,and a heat source”判断,消防灭火人员所指的形成野外火灾的三要素是燃料、氧气和热源,A不是,故本题应该选C。
百度试题 结果1 题目What is required in addition to the heat,fuel,and oxygen of the fire triangle to have a fire?()A. Electricity B. Chain reaction C. Pressure D. Smoke相关知识点: 试题来源: 解析 A 反馈 收藏
To extinguish a Class C fire, a Class C fire extinguisher should be used. These extinguishers use agents that can separate the elements of the fire triangle (fuel, heat, and oxygen). This allows the fire to be brought under control, even if the source of ignition is still connected. Usin...
1. It is spring. ---What season is it? 七、提问形状类,用what shape, 比如: 1. This house is a triangle. ---What shape is this house? 2. Those are triangles. ---what shape are those? 八、提问能力,用what can…do, 比如: 1. I can ride a bicycle. ---What can you do? 2....
The Fire Triangle Hazardous substances that increase the risk of fire can be considered with respect to theFire Triangle– a model of the three conditions that are necessary to start a fire (fuel, an ignition source, and oxygen). A fire hazard is typically something that will either act as...
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You di d it, Dad!" "What's going on in there? How is it?" the father asked. "There are 14of us left out of 33, Dad. We're scared, hungry, thirsty an d thankful you're here. When the building collapsed, it made a triangle, an d it save d us. " "Come out, boy!" "...
B.He is selfish,and easy to give upC.He is a loving father with strong belief and courageD.He was scared ,hungry and thankful to all people in the earthquake.29.In what order did the events take place ? ___a.When the building fell down,it made a triangle,and it saved all the ...
3. Are you afraid of fire? 4. Joe has an orange T-shirt. 5. Do you have any brothers? 6. Is your uncle a bus driver? 四、1—6 CBBBCA 五、1. grandpa2. shorts3. brown4. kids5. teacher 六、1—5 ABBAB 七、1—5 DAECB ...