TFM02 Study Guide Comprehensive Resource
To Help You Ace 2026-2027 Includes Frequently Tested
Questions With ELABORATED 100%
Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!!
Current Update
1. True or False
A three-dimensional (3D) fire involves only static flammable liquids.
Answer: False. A 3D fire involves flammable liquid in motion and may affect both horizontal and
vertical surfaces.
2. Class A fire extinguishers are suitable for which type of materials?
A. Flammable liquids
B. Electrical equipment
C. Wood, paper, textiles, and some plastics
D. Cooking oils
Answer: C — Wood, paper, textiles, and some plastics.
3. When should dry chemical stored-pressure fire extinguishers be removed from service or
replaced?
Answer: At the next 6-year maintenance interval or hydrostatic test.
4. In UL fire extinguisher ratings, what does the B:C rating indicate?
Answer: The number of square feet of fire an extinguisher can cover for Class B fires.
5. True or False
,Class B fire extinguishers cannot be used on flammable liquid fires.
Answer: False. Class B extinguishers are specifically designed for flammable liquid fires.
6. According to OSHA standards, employees must be trained in the proper use of portable fire
extinguishers according to which regulation?
Answer: 29 CFR 1910.
7. Portable fire extinguishers must be visually inspected at least ______ according to 29 CFR
1910.157(e)(2).
Answer: Monthly.
8. True or False
Class A/B fire extinguishers should be used on fires involving live electrical equipment.
Answer: False.
9. How often must water or steam fire extinguishers be discharged, disassembled, and
inspected?
Answer: Annually.
10. An extinguisher weighing more than 40 pounds must be installed so the top is no more than
______ from the ground.
Answer: 3.5 feet.
11. According to OSHA, the maximum travel distance to reach a Class B fire extinguisher is
______.
Answer: 50 feet.
,12. How often must dry chemical fire extinguishers requiring a 12-year hydrostatic test be
emptied for maintenance?
Answer: Every 6 years.
13. A UL Class A rating is equivalent to how many gallons of water?
Answer: 1.25 gallons.
14. Class ______ fire extinguishers use electrically non-conductive extinguishing agents.
Answer: Class C.
15. How often must cartridge-operated water-based extinguishers undergo hydrostatic testing?
Answer: Every 5 years.
16. True or False
Stored-pressure fire extinguishers require internal examination.
Answer: False.
17. Extinguishers weighing 40 pounds or less must be installed so the top is no more than
______ above the ground.
Answer: 5 feet.
18. Class ______ fire extinguishers are designed for fires involving cooking oils and fats.
Answer: Class K.
19. The OSHA maximum travel distance to reach a Class A fire extinguisher is ______.
Answer: 75 feet.
, 20. Which fire extinguisher classification is appropriate for use on electrically energized
equipment?
Answer: Class C.
21. What principle do Class K fire extinguishers operate on?
Answer: Saponification.
22. What are Obstacle Type Fires?
Answer: Fires involving flammable liquids on horizontal surfaces where solid objects create
barriers.
23. Portable fire extinguishers must be installed at least ______ above the ground.
Answer: 4 inches.
24. Where might Obstacle Type Fires commonly occur?
Answer: In flammable liquid storage cabinets, dip tanks, and similar industrial areas.
25. How do you verify that a CO₂ extinguisher contains the correct pressure?
Answer: By weighing the extinguisher.
26. Wetting agent portable extinguishers must be hydrostatically tested every ______.
Answer: 5 years.
27. When must leak tests be performed on stored-pressure extinguishers?
Answer: After recharge.
28. True or False
To Help You Ace 2026-2027 Includes Frequently Tested
Questions With ELABORATED 100%
Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!!
Current Update
1. True or False
A three-dimensional (3D) fire involves only static flammable liquids.
Answer: False. A 3D fire involves flammable liquid in motion and may affect both horizontal and
vertical surfaces.
2. Class A fire extinguishers are suitable for which type of materials?
A. Flammable liquids
B. Electrical equipment
C. Wood, paper, textiles, and some plastics
D. Cooking oils
Answer: C — Wood, paper, textiles, and some plastics.
3. When should dry chemical stored-pressure fire extinguishers be removed from service or
replaced?
Answer: At the next 6-year maintenance interval or hydrostatic test.
4. In UL fire extinguisher ratings, what does the B:C rating indicate?
Answer: The number of square feet of fire an extinguisher can cover for Class B fires.
5. True or False
,Class B fire extinguishers cannot be used on flammable liquid fires.
Answer: False. Class B extinguishers are specifically designed for flammable liquid fires.
6. According to OSHA standards, employees must be trained in the proper use of portable fire
extinguishers according to which regulation?
Answer: 29 CFR 1910.
7. Portable fire extinguishers must be visually inspected at least ______ according to 29 CFR
1910.157(e)(2).
Answer: Monthly.
8. True or False
Class A/B fire extinguishers should be used on fires involving live electrical equipment.
Answer: False.
9. How often must water or steam fire extinguishers be discharged, disassembled, and
inspected?
Answer: Annually.
10. An extinguisher weighing more than 40 pounds must be installed so the top is no more than
______ from the ground.
Answer: 3.5 feet.
11. According to OSHA, the maximum travel distance to reach a Class B fire extinguisher is
______.
Answer: 50 feet.
,12. How often must dry chemical fire extinguishers requiring a 12-year hydrostatic test be
emptied for maintenance?
Answer: Every 6 years.
13. A UL Class A rating is equivalent to how many gallons of water?
Answer: 1.25 gallons.
14. Class ______ fire extinguishers use electrically non-conductive extinguishing agents.
Answer: Class C.
15. How often must cartridge-operated water-based extinguishers undergo hydrostatic testing?
Answer: Every 5 years.
16. True or False
Stored-pressure fire extinguishers require internal examination.
Answer: False.
17. Extinguishers weighing 40 pounds or less must be installed so the top is no more than
______ above the ground.
Answer: 5 feet.
18. Class ______ fire extinguishers are designed for fires involving cooking oils and fats.
Answer: Class K.
19. The OSHA maximum travel distance to reach a Class A fire extinguisher is ______.
Answer: 75 feet.
, 20. Which fire extinguisher classification is appropriate for use on electrically energized
equipment?
Answer: Class C.
21. What principle do Class K fire extinguishers operate on?
Answer: Saponification.
22. What are Obstacle Type Fires?
Answer: Fires involving flammable liquids on horizontal surfaces where solid objects create
barriers.
23. Portable fire extinguishers must be installed at least ______ above the ground.
Answer: 4 inches.
24. Where might Obstacle Type Fires commonly occur?
Answer: In flammable liquid storage cabinets, dip tanks, and similar industrial areas.
25. How do you verify that a CO₂ extinguisher contains the correct pressure?
Answer: By weighing the extinguisher.
26. Wetting agent portable extinguishers must be hydrostatically tested every ______.
Answer: 5 years.
27. When must leak tests be performed on stored-pressure extinguishers?
Answer: After recharge.
28. True or False
