FIRE EXTINGUISHER PRACTICE STUDY SHEET
2026 QUESTIONS WITH FULL SOLUTION
GRADED A+
◉ 2. Which test is required to measure the ability of an extinguisher
cylinder to withstand steady internal pressure?
A) Static
B) Pneumatic
C) Fatigue
D) Hydrostatic. Answer: D) Hydrostatic
◉ 3. The "P" in the acronym PASS, used in reference to fire
extinguisher operation, stands for:
A) point.
B) pick.
C) pause.
D) pull.. Answer: D) pull.
◉ 4. What is the term for the substance that puts out the fire?
A) Propellant
B) Extinguishing agent
,C) Dry charge
D) Live load. Answer: B) Extinguishing agent
◉ 5. For an extinguishing agent to be approved for use on energized
electrical equipment, it must:
A) not conduct electricity.
B) leave no residue.
C) be non-corrosive.
D) be safe for use in a closed room.. Answer: A) not conduct
electricity.
◉ 6. A Class A fire extinguisher with a numerical rating of 2 contains
_____ of water.
A) 1.0 gal (3.8 L)
B) 1.5 gal (5.7 L)
C) 2.0 gal (7.6 L)
D) 2.5 gal (9.5 L). Answer: D) 2.5 gal (9.5 L)
◉ 7. What does a rating of 40 on a Class B extinguisher mean?
A) BTU absorption comparable to 40 gallons (150 L) of water
B) Sufficient extinguishing power for 40 ft² (4.7 m²) of burning fuel
C) Sufficient extinguishing power for 40 gallons (150 L) of burning
fuel
, D) Discharge duration of at least 40 seconds. Answer: B) Sufficient
extinguishing power for 40 ft² (4.7 m²) of burning fuel
◉ 8. A potential problem with application of a multipurpose dry
chemical agent to a Class K fire is:
A) counteraction of other agents applied to the fire.
B) production of toxic gas.
C) spitting and splattering of fuel.
D) sudden flare-up of the fire.. Answer: A) counteraction of other
agents applied to the fire.
◉ 9. Which extinguishing method is being used when a foam blanket
is placed over the surface of a burning liquid?
A) Cutting off the oxygen supply
B) Inhibiting the chemical chain reaction
C) Diluting the fuel
D) Cooling the fuel. Answer: A) Cutting off the oxygen supply
◉ 10. Which is a disadvantage of CO2 extinguishers?
A) Electrical conductivity
B) Cost
C) Short discharge range
D) Corrosive residue. Answer: C) Short discharge range
2026 QUESTIONS WITH FULL SOLUTION
GRADED A+
◉ 2. Which test is required to measure the ability of an extinguisher
cylinder to withstand steady internal pressure?
A) Static
B) Pneumatic
C) Fatigue
D) Hydrostatic. Answer: D) Hydrostatic
◉ 3. The "P" in the acronym PASS, used in reference to fire
extinguisher operation, stands for:
A) point.
B) pick.
C) pause.
D) pull.. Answer: D) pull.
◉ 4. What is the term for the substance that puts out the fire?
A) Propellant
B) Extinguishing agent
,C) Dry charge
D) Live load. Answer: B) Extinguishing agent
◉ 5. For an extinguishing agent to be approved for use on energized
electrical equipment, it must:
A) not conduct electricity.
B) leave no residue.
C) be non-corrosive.
D) be safe for use in a closed room.. Answer: A) not conduct
electricity.
◉ 6. A Class A fire extinguisher with a numerical rating of 2 contains
_____ of water.
A) 1.0 gal (3.8 L)
B) 1.5 gal (5.7 L)
C) 2.0 gal (7.6 L)
D) 2.5 gal (9.5 L). Answer: D) 2.5 gal (9.5 L)
◉ 7. What does a rating of 40 on a Class B extinguisher mean?
A) BTU absorption comparable to 40 gallons (150 L) of water
B) Sufficient extinguishing power for 40 ft² (4.7 m²) of burning fuel
C) Sufficient extinguishing power for 40 gallons (150 L) of burning
fuel
, D) Discharge duration of at least 40 seconds. Answer: B) Sufficient
extinguishing power for 40 ft² (4.7 m²) of burning fuel
◉ 8. A potential problem with application of a multipurpose dry
chemical agent to a Class K fire is:
A) counteraction of other agents applied to the fire.
B) production of toxic gas.
C) spitting and splattering of fuel.
D) sudden flare-up of the fire.. Answer: A) counteraction of other
agents applied to the fire.
◉ 9. Which extinguishing method is being used when a foam blanket
is placed over the surface of a burning liquid?
A) Cutting off the oxygen supply
B) Inhibiting the chemical chain reaction
C) Diluting the fuel
D) Cooling the fuel. Answer: A) Cutting off the oxygen supply
◉ 10. Which is a disadvantage of CO2 extinguishers?
A) Electrical conductivity
B) Cost
C) Short discharge range
D) Corrosive residue. Answer: C) Short discharge range
