(OSFMFEI21) Fire Extinguisher 1-3 Practice Exam LATEST QUESTIONS AND CORRECT ANSWERS GRADE A

(OSFMFEI21) Fire Extinguisher 1-3 Practice Exam LATEST QUESTIONS AND CORRECT
ANSWERS GRADE A

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**QUESTIONS:**



1. **What does the acronym "PASS" stand for in relation to fire extinguisher use?**

A) Point, Aim, Squeeze, Sweep

B) Pull, Aim, Squeeze, Sweep

C) Pull, Aim, Spray, Sweep

D) Point, Activate, Squeeze, Sweep

**ANSWER:** B

**EXPLANATION:** PASS is the standard operating procedure for using a fire extinguisher:
Pull the pin, Aim at the base of the fire, Squeeze the handle, and Sweep from side to side.



2. **According to OSHA, what is the maximum travel distance to a Class A fire extinguisher
in an ordinary hazard occupancy?**

A) 50 feet

B) 75 feet

C) 100 feet

D) 150 feet

**ANSWER:** B

**EXPLANATION:** OSHA 1910.157(d)(2) specifies a maximum 75-foot travel distance to a
Class A fire extinguisher for ordinary hazard occupancies.



3. **Which class of fire involves ordinary combustible materials like wood, paper, and
cloth?**

,A) Class A

B) Class B

C) Class C

D) Class D

**ANSWER:** A

**EXPLANATION:** Class A fires involve ordinary combustible materials such as wood,
paper, cloth, rubber, and many plastics.



4. **What type of fire involves flammable liquids and gases?**

A) Class A

B) Class B

C) Class C

D) Class D

**ANSWER:** B

**EXPLANATION:** Class B fires involve flammable liquids (gasoline, oil, grease, paint) and
flammable gases (propane, butane).



5. **Which class of fire involves energized electrical equipment?**

A) Class A

B) Class B

C) Class C

D) Class D

**ANSWER:** C

**EXPLANATION:** Class C fires involve energized electrical equipment (appliances,
wiring, circuit breakers, fuse boxes).



6. **What class of fire involves combustible metals?**

,A) Class A

B) Class B

C) Class C

D) Class D

**ANSWER:** D

**EXPLANATION:** Class D fires involve combustible metals such as magnesium,
titanium, potassium, and sodium.



7. **Class K fires involve:**

A) Kitchen fires with cooking oils and fats

B) Chemical fires

C) Rubber fires

D) Electrical fires

**ANSWER:** A

**EXPLANATION:** Class K fires involve cooking media such as vegetable or animal oils
and fats in commercial cooking equipment.



8. **A multi-purpose dry chemical fire extinguisher (ABC) is effective on which classes of
fire?**

A) Class A only

B) Class A and B only

C) Class A, B, and C

D) All classes (A, B, C, D, K)

**ANSWER:** C

**EXPLANATION:** ABC dry chemical extinguishers contain monoammonium phosphate
and are effective on Class A (ordinary combustibles), Class B (flammable liquids), and
Class C (energized electrical equipment) fires.

, 9. **A carbon dioxide (CO2) fire extinguisher is primarily effective on which classes of
fire?**

A) Class A and B

B) Class B and C

C) Class A, B, and C

D) Class D only

**ANSWER:** B

**EXPLANATION:** CO2 extinguishers are effective on Class B (flammable liquids) and
Class C (electrical) fires. They are NOT recommended for Class A fires as they may not fully
extinguish deep-seated embers.



10. **Water extinguishers are suitable for which class of fire?**

A) Class A only

B) Class B only

C) Class C only

D) Class A, B, and C

**ANSWER:** A

**EXPLANATION:** Water extinguishers are only suitable for Class A (ordinary
combustible) fires. They should NEVER be used on electrical, flammable liquid, or metal
fires.



11. **A wet chemical extinguisher is designed specifically for:**

A) Class A fires

B) Class B fires

C) Class C fires

D) Class K fires