Halon fire extinguishers are NOT effective when used on which types of fires?()
相似题目
-
If a CO2 fire extinguisher is not readily available, which of the listed fire extinguishers would be best suited to combat a small electrical fire in a switchboard?()
-
CO2 extinguishes a fire by ().
-
Removing which will extinguish a fire?().
-
Due to the hazards involved with Halon extinguishers on a ship,the size II extinguisher may only be used().
-
Halon extinguishes a fire by().
-
Foam extinguishes a fire by().
-
A large oil fire is best extinguished with()
-
A carbon dioxide fire extinguisher should be recharged().
-
Halon extinguishers used on a class C fire should be directed at the().
-
Which characteristic is an advantage of Halon as a fire extinguishing medium?()
-
Which is a disadvantage of Halon as a fire extinguishing medium?()
-
A fire can be extinguished by removing ().
-
A foam-type portable fire extinguisher would be most useful in combating a fire in().
-
C02 extinguishes a fire by().
-
Foam extinguishes a fire mainly by().
-
A foam-type portable fire extinguisher is most useful in fighting a fire in().
-
An “ABC” dry chemical fire extinguisher would be LEAST effective against a fire in().
-
Halon fire extinguishers are NOT effective when used on which types of fires?()
-
Halon extinguishes fire primarily by().
-
CO2 extinguishes a fire by().
-
Halon from extinguishers used on a class B fire,should be directed().
-
Which portable fire extinguisher should be used on a class C fire on board a vessel?()
推荐题目
- 神经喜剧
- 开机前,检查测量仪表是否齐全,电源电压不应超过额定电压的()。
- 水泵的流量就是水泵的()量。
- 下列哪些工作属于定义阶段的内容()
- 客户在招行柜台建立三方存管关系时,需要输入的密码是()。
- 灰垢和灰渣的化学成分相同。
- 《神农本草经》是我国现存最早的本草学著作,记载了 365种药物,分为上、中、下三品,无毒的是上品,为君;毒性小的是中品,为臣;毒性剧烈的是下品,为佐使。
- 预防青少年健康危险发生的内容不包括()
- 《关于加强和改进新时代师德师风建设的意见》指出,加强师德师风建设的总体目标是教师权益保障体系基本建立,教师安心、热心、舒心、静心从教的良好环境基本形成,师道尊严进一步提振。()
- "对于一个平面加工尺寸,如果上道工序的尺寸最大值为Haax,最小值为Hamin,本工序的尺寸最大值为Hbmin,那么,本工序的最大加工余量Zmax=()