Technician A says a class "ABC" fire extinguisher is always filled with Carbon Dioxide. Technician B says the quickest way to distinguish the difference between fire extinguishers is to look at the outlet nozzle. Who is correct?

Question

Quizplus · Accepted Answer

Technician A is incorrect because a class "ABC" fire extinguisher can also be filled with dry powder, which contains various chemicals depending on the manufacturer. Technician B is correct that one of the quickest ways to distinguish the difference between fire extinguishers is to look at the outlet nozzle. Different types of fire extinguishers have different types of nozzles, such as straight stream, fog, or fan, which are designed to disperse the extinguishing agent in a specific way.

Technician a Says a Class "ABC" Fire Extinguisher Is Always