When fighting a fire with a portable dry chemical fire extinguisher，the stream should be directed（）.
- Aover the top of the flames
- Boff a bulkhead into the fire
- Cin front of the fire
- Dat the base of the fire
问题
When fighting a fire with a portable d
参考解析：
分类：应急预案与EMS题库
相关推荐
-
1、In fighting a fire in a fuel tank, the
In fighting a fire in a fuel tank, the FIRST action you should attempt is to _____.Asecure all sources of fresh air to the tankBbegin transf...
-
2、In fighting a fire in a fuel tank, the
In fighting a fire in a fuel tank, the FIRST action you should attempt is to （）.Asecure all sources of fresh air to the tankBbegin transfe...
-
3、Carbon dioxide as a fire fighting agen
Carbon dioxide as a fire fighting agent has which advantage over other agents? （）AIt causes minimal damageBIt is safer for personnelCIt is cheaperDIt is most effective on a per unit basi
-
4、Fighting a rig fire in a watertight co
Fighting a rig fire in a watertight compartment with hoses could reduce the stability of the rig by（）.Aprogressive downfloodingBreducing the le...
-
5、When fighting a spreading fire resulti
When fighting a spreading fire resulting from a broken fuel line, you should FIRST （）.Alook for a CO2 extinguisherBuse a soda acid extinguisherCshut off the fuel supplyDsmother the fire with rag
-
6、Fighting a rig fire in the ballast pum
Fighting a rig fire in the ballast pumproom with hoses would adversely affect the stability of the rig most by（）.Aincreasing the permeability...