When there is a fire, we should use a fire extinguisher to put out the fire. A fire extinguisher is a kind of ___. A. tool B. weapon C. equipment D. instrument 相关知识点: 试题来源: 解析 C。解析:fire extinguisher(灭火器)是一种消防设备。tool 是工具;weapon 是武器;instrument 是乐器...
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...
The ideal fire extinguisher for electrical fires is a “Class C Type” fire extinguisher designed to put out electrical fires by suffocating the fire with carbon dioxide at full pressure. This minimizes the fire’s ability to fully react with the oxygen in the air, therefore minimizing its spre...
The type of fire extinguisher to put out an electrical fire is Class A Class B Class C Class D Answer (Detailed Solution Below) Option 3 : Class C Fire Extinguishers Question 6 Detailed Solution Download Solution PDF Fire Extinguisher is an active fire protection device which is used to con...
发生火灾时,如果已经确定起火点,并且火势不大尚未对人造成很大威胁时,可以使用灭火器、灭火毯等消防器材灭火。When fire accident happens and it is not severe, you could use the fire extinguisher or fire blanket to put it off. 学习正确使用灭火器...
A fire extinguisher is a device for ___. A. putting out fires B. starting fires C. making fires bigger D. causing fires 相关知识点: 试题来源: 解析 A。灭火器是用来灭火的装置。选项 B 是点火;选项 C 是使火更大;选项 D 是引起火灾。反馈 收藏 ...
The fire extinguisher in our school is used to put out ___. A. water B. fire C. earthquake D. flood 相关知识点: 试题来源: 解析 B。“fire extinguisher”是灭火器,用来灭火,“fire”表示火。选项 A“water”是水,选项 C“earthquake”是地震,选项 D“flood”是洪水。反馈 收藏 ...
To use the extinguisher, you pull out the safety pin and depress the operating lever. The lever pushes on an actuating rod, which presses the spring-mounted valve down to open up the passage to the nozzle. The bottom of the actuating rod has a sharp point, which pierces the gas cylinder...
These extinguishers are designed to put out electrical fires. Until the electrical source is cut off, the fire can continue to burn. Be aware that water cannot put out an electrical fire and doing so may lead to electrocution. Class D Fire Extinguisher This fire extingui...
fire extinguisher noun :something used to put out a fire especially:a portable or wheeled device for putting out small fires by spraying fire-extinguishing chemicals More from Merriam-Webster onfire extinguisher Britannica.com:Encyclopedia article aboutfire extinguisher ...