Firefighter I Chapter 29 Questions and
Answers | Latest Version | 2025/2026 |
Correct & Verified
What symbol indicates a Class A fire extinguisher?
✔✔A green triangle.
What symbol indicates a Class B fire extinguisher?
✔✔A red square.
What symbol indicates a Class C fire extinguisher?
✔✔A blue circle.
What symbol indicates a Class D fire extinguisher?
✔✔A yellow star.
What symbol indicates a Class K fire extinguisher?
✔✔A black hexagon.
1
,What extinguishing agent is commonly used for Class A fires?
✔✔Water or water-based agents.
What is the primary purpose of a fire extinguisher?
✔✔To control or extinguish small fires in their early stage.
What class of fire involves ordinary combustibles such as wood and paper?
✔✔Class A fires.
What class of fire involves flammable liquids such as gasoline and oil?
✔✔Class B fires.
What class of fire involves energized electrical equipment?
✔✔Class C fires.
What class of fire involves combustible metals?
✔✔Class D fires.
2
, What class of fire involves cooking oils and fats?
✔✔Class K fires.
What does PASS stand for when operating a fire extinguisher?
✔✔Pull, Aim, Squeeze, Sweep.
What is the main limitation of a portable fire extinguisher?
✔✔It has a limited amount of extinguishing agent and short discharge time.
What is the first step before using a fire extinguisher?
✔✔Ensure personal safety and call for help.
When should firefighters use fire extinguishers instead of hose lines?
✔✔When the fire is small, contained, and in its incipient stage.
Why must firefighters know extinguisher classifications?
✔✔To select the correct extinguisher for the type of fire.
3
Answers | Latest Version | 2025/2026 |
Correct & Verified
What symbol indicates a Class A fire extinguisher?
✔✔A green triangle.
What symbol indicates a Class B fire extinguisher?
✔✔A red square.
What symbol indicates a Class C fire extinguisher?
✔✔A blue circle.
What symbol indicates a Class D fire extinguisher?
✔✔A yellow star.
What symbol indicates a Class K fire extinguisher?
✔✔A black hexagon.
1
,What extinguishing agent is commonly used for Class A fires?
✔✔Water or water-based agents.
What is the primary purpose of a fire extinguisher?
✔✔To control or extinguish small fires in their early stage.
What class of fire involves ordinary combustibles such as wood and paper?
✔✔Class A fires.
What class of fire involves flammable liquids such as gasoline and oil?
✔✔Class B fires.
What class of fire involves energized electrical equipment?
✔✔Class C fires.
What class of fire involves combustible metals?
✔✔Class D fires.
2
, What class of fire involves cooking oils and fats?
✔✔Class K fires.
What does PASS stand for when operating a fire extinguisher?
✔✔Pull, Aim, Squeeze, Sweep.
What is the main limitation of a portable fire extinguisher?
✔✔It has a limited amount of extinguishing agent and short discharge time.
What is the first step before using a fire extinguisher?
✔✔Ensure personal safety and call for help.
When should firefighters use fire extinguishers instead of hose lines?
✔✔When the fire is small, contained, and in its incipient stage.
Why must firefighters know extinguisher classifications?
✔✔To select the correct extinguisher for the type of fire.
3
