NFPA 10 FINAL EXAM ACTUAL EXAM
COMPLETE 200 QUESTIONS WITH DETAILED
VERIFIED ANSWERS (100% CORRECT
ANSWERS) /ALREADY GRADED A+
1. What is the primary purpose of NFPA 10?
a) Design fire alarm systems
b) Regulate sprinkler installation
c) Provide requirements for portable fire extinguishers ✅
d) Mandate building evacuation plans
Rationale: NFPA 10 covers selection, installation, inspection,
maintenance, and testing of portable fire extinguishers.
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2. Which class of fire involves energized electrical equipment?
a) Class A
b) Class B
c) Class C ✅
d) Class D
Rationale: Class C fires involve electrical components; use non-
conductive extinguishing agents.
3. A fire involving cooking oils and fats (commercial kitchen) is
Class:
a) Class K ✅
b) Class B
c) Class F (international) but NFPA 10 uses Class K.
d) Class A
Rationale: NFPA 10 defines Class K for cooking media fires
(vegetable/animal oils).
4. True/False: NFPA 10 requires all extinguishers to be
inspected monthly.
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✅ True
Rationale: Section 7.2.1 mandates monthly visual inspections.
5. Scenario: A warehouse stores magnesium parts. What
extinguisher class is required?
a) Class B
b) Class C
c) Class D ✅
d) Class K
Rationale: Class D for combustible metals; special dry
powder.
6. What is the minimum rated extinguisher for a Class A
hazard with light hazard occupancy?
a) 1-A
b) 2-A ✅
c) 3-A
d) 4-A
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Rationale: NFPA 10 Table 6.2.1.1 – light hazard minimum 2-
A.
7. The maximum floor area for a single 2-A extinguisher in
light hazard is:
a) 1,500 sq ft
b) 2,000 sq ft
c) 3,000 sq ft ✅
d) 5,000 sq ft
Rationale: Section 6.2.1.1 – 3,000 sq ft per 2-A.
8. True/False: A 10-B extinguisher is suitable for a 50 sq ft
flammable liquid spill fire.
✅ True
Rationale: 10-B can cover 10 sq ft; 50 sq ft requires 50-B
(Table 6.2.2.1).
9. Scenario: A convenience store has a gasoline dispenser.
Minimum Class B rating required within 50 ft?
a) 10-B