Extinguishing Class D Fires Most class D fires occur when the combustible metals are in dust, flake, shaving forms or molten. A class D fire cannot be extinguished by water as it produces hydrogen at high temperatures and eventually an explosion occurs and spreads of fire further. It is, the...
Fire extinguisheris 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 powder, foam, gas, or other material to extinguish a fire. Remembering the phrase: Fire Extinguishers must be checked...
B. A place to start fires. C. A place to store things. D. A place to play. 相关知识点: 试题来源: 解析 A。“Fire extinguisher”的标志意思是灭火器,是用来灭火的地方。B 选项是点火的地方;C 选项是储存东西的地方;D 选项是玩耍的地方,都与“Fire extinguisher”的意思不符。反馈 收藏 ...
消火栓 C. 消防栓 D. 消防水带 相关知识点: 试题来源: 解析 A。这个标志是“灭火器”的意思。选项 B“消火栓”的标志是“Hydrant”;选项 C“消防栓”的标志是“Fire Hydrant”;选项 D“消防水带”的标志是“Fire Hose”。本题考查名词辨析,根据标志的含义选择正确答案。
Fuel Source: The fuel source for a Class A fire is typically organic, carbon-based materials that are easily ignitable. Burning Behavior: Class A fires burn with a steady flame and produce heat, light, smoke, and often significant amounts of ash. ...
While it’s not recommended for drivers to actively fight a vehicle fire, having a Class D fire extinguisher in your EV can be useful. Make sure you know how to use it and understand its limitations – a small fire extinguisher is unlikely to contain enough fire-retardent to put...
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. ...
What is the function of a fire extinguisher? A. To start a fire B. To make fire bigger C. To put out a fire D. To find a fire 相关知识点: 试题来源: 解析 C。灭火器的作用是灭火。选项 A 是点火;选项 B 是让火更大;选项 D 是找到火。
A. Fire maker B. Fire starter C. Fire fighter D. Fire alarm 相关知识点: 试题来源: 解析 C。“FIRE EXTINGUISHER”是灭火器的意思,灭火器是用来灭火的,也就是“fire fighter”。选项 A“Fire maker”是生火的人;选项 B“Fire starter”是点火器;选项 D“Fire alarm”是火警报警器。反馈...
fire to occur outside of a laboratory. However, if you were to face a Class D fire, you should use a dry powder extinguisher.Class K Fires—This type of fire involves cooking oil. This is the most common type of fire to occur in a kitchen and usually brea...