Firefighter 1 & 2 ,hazmat awareness and operations flash cards with correct answers 100% 2026

Firefighter 1 & 2 ,hazmat awareness and operations flash cards with correct answers 100% 2026 Class A fire extinguisher - Correct Answer ordinary combustibles used on (wood, paper, cloth, plastic, rubber ) Class B fire extinguisher - Correct Answer Flammable liquids used on hydrocarbon and alcohol based liquids and gases that will support combustion Class C fire extinquisher - Correct Answer Electrical Equipment This includes all fires involving energized electrical equipment Class D fire extinguisher - Correct Answer Combustible metals Examples : Magnesium, potassium, titanium, and zirconium Class K extinguisher - Correct Answer Cooking Oils Unsaturated cooking oils in well insulated cooking appliances Water hammer - Correct Answer Force created by the rapid deceleration of water causing a violent increase in pressure that can be powerful enough to rupture piping or damage fixtures. Generally results from closing a valve or nozzle too quickly. backdraft - Correct Answer The explosive burning of heated gases that occurs when oxygen is introduced into a compartment that has a high concentration of flammable gases and a depleted supply of oxygen due to an existing fire. Specific heat - Correct Answer the heat required to raise the temperature of the unit mass of a given substance by a given amount (usually one degree).