What type of fire extinguisher is required on a commercial vehicle, and what types of fires can it fight?
a.Type A only, for paper and wood fires
b.Type B:C, for flammable liquid and electrical fires
c.Type D, for metal fires
d.Type K, for kitchen fires
Explanation
Commercial vehicles must carry a B:C rated fire extinguisher (5 B:C minimum). The B rating covers flammable liquids like gasoline and diesel, and the C rating covers electrical fires, which are the most common fire types encountered on commercial vehicles.