Alabama Fire Sprinkler Contractor Exam
Practice Test Questions And Correct
Answers (Verified Answers) Plus
Rationales 2026 Q&A Instant Download
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1. What is the primary standard governing automatic sprinkler systems in
most commercial buildings?
A. NFPA 70
B. NFPA 13
C. NFPA 54
D. NFPA 58
Answer: NFPA 13
Rationale: NFPA 13 is the standard for installation of sprinkler systems.
2. Which valve is used to control water flow into a sprinkler system?
A. Check valve
B. Alarm valve
C. Control valve
D. Drain valve
Answer: Control valve
Rationale: Control valves regulate water supply to the system.
,3. What is the minimum pipe slope required for wet sprinkler systems?
A. 1/8 inch per foot
B. 1/4 inch per foot
C. 1/2 inch per foot
D. No slope required
Answer: No slope required
Rationale: Wet systems do not require pipe slope.
4. What device activates an alarm when water flows in the system?
A. Pressure switch
B. Flow switch
C. Check valve
D. Gate valve
Answer: Flow switch
Rationale: A flow switch detects water movement and triggers alarms.
5. Which sprinkler system is filled with pressurized air instead of water?
A. Wet pipe
B. Dry pipe
C. Deluge
D. Pre-action
Answer: Dry pipe
Rationale: Dry pipe systems use air to prevent freezing.
6. What is the standard spacing requirement influenced by sprinkler hazard
classification?
A. Pipe size
B. Occupancy type
C. Water pressure only
D. Alarm type
, Answer: Occupancy type
Rationale: Hazard classification determines sprinkler spacing.
7. Which NFPA standard covers inspection and testing of sprinkler systems?
A. NFPA 20
B. NFPA 25
C. NFPA 72
D. NFPA 14
Answer: NFPA 25
Rationale: NFPA 25 governs inspection, testing, and maintenance.
8. What is the purpose of a backflow preventer?
A. Increase pressure
B. Prevent reverse flow of contaminated water
C. Drain system
D. Control alarms
Answer: Prevent reverse flow of contaminated water
Rationale: It protects potable water supply.
9. What type of sprinkler system discharges water immediately upon
activation?
A. Dry pipe
B. Pre-action
C. Deluge
D. Wet pipe
Answer: Deluge
Rationale: All sprinklers open in a deluge system when activated.
Practice Test Questions And Correct
Answers (Verified Answers) Plus
Rationales 2026 Q&A Instant Download
1. What is the primary standard governing automatic sprinkler systems in
most commercial buildings?
A. NFPA 70
B. NFPA 13
C. NFPA 54
D. NFPA 58
Answer: NFPA 13
Rationale: NFPA 13 is the standard for installation of sprinkler systems.
2. Which valve is used to control water flow into a sprinkler system?
A. Check valve
B. Alarm valve
C. Control valve
D. Drain valve
Answer: Control valve
Rationale: Control valves regulate water supply to the system.
,3. What is the minimum pipe slope required for wet sprinkler systems?
A. 1/8 inch per foot
B. 1/4 inch per foot
C. 1/2 inch per foot
D. No slope required
Answer: No slope required
Rationale: Wet systems do not require pipe slope.
4. What device activates an alarm when water flows in the system?
A. Pressure switch
B. Flow switch
C. Check valve
D. Gate valve
Answer: Flow switch
Rationale: A flow switch detects water movement and triggers alarms.
5. Which sprinkler system is filled with pressurized air instead of water?
A. Wet pipe
B. Dry pipe
C. Deluge
D. Pre-action
Answer: Dry pipe
Rationale: Dry pipe systems use air to prevent freezing.
6. What is the standard spacing requirement influenced by sprinkler hazard
classification?
A. Pipe size
B. Occupancy type
C. Water pressure only
D. Alarm type
, Answer: Occupancy type
Rationale: Hazard classification determines sprinkler spacing.
7. Which NFPA standard covers inspection and testing of sprinkler systems?
A. NFPA 20
B. NFPA 25
C. NFPA 72
D. NFPA 14
Answer: NFPA 25
Rationale: NFPA 25 governs inspection, testing, and maintenance.
8. What is the purpose of a backflow preventer?
A. Increase pressure
B. Prevent reverse flow of contaminated water
C. Drain system
D. Control alarms
Answer: Prevent reverse flow of contaminated water
Rationale: It protects potable water supply.
9. What type of sprinkler system discharges water immediately upon
activation?
A. Dry pipe
B. Pre-action
C. Deluge
D. Wet pipe
Answer: Deluge
Rationale: All sprinklers open in a deluge system when activated.
