ESTUDYR
OHIO SPRINKLER STUDY GUIDE 2025 QUESTIONS
AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) | ASSURED SUCCESS
1. A _____ is the vertical supply piping in a sprinkler system usually containing alarm devices, main
drains, and gauges.
A) Branch line
B) Riser
C) Cross main
D) Feed main
Rationale: A riser distributes water vertically and houses critical components like alarms and drains
(NFPA 13).
2. Cut grooving of steel pipe is allowed on Schedule _____ pipe.
A) 10
B) 30 and 40
C) 80
D) 120
Rationale: NFPA 13 permits grooving only on Schedule 30 and 40 steel pipe due to wall thickness
requirements.
3. Check valves shall be inspected internally every year to verify proper operation.
A) True
B) False
Rationale: NFPA 25 requires internal inspections every 5 years, not annually.
4. Dry sprinklers in service for 10 years must be replaced or tested.
A) True
B) False
,ESTUDYR
Rationale: NFPA 25 mandates replacement or sample testing every 10 years due to corrosion risks.
5. Antifreeze solutions are permitted in standpipe systems.
A) True
B) False
Rationale: NFPA 25 prohibits antifreeze in standpipes due to performance and toxicity concerns.
6. Standpipe gauges are required above and below:
A) Each alarm valve
B) Each check valve
C) Each backflow preventer
D) All of the above
Rationale: Gauges are required at all these points to monitor pressure (NFPA 14).
7. A "small room" in light hazard occupancies is defined as having an area ≤ _____ sq ft.
A) 500
B) 800
C) 1,000
D) 1,200
Rationale: NFPA 13 defines small rooms as ≤800 sq ft with walls and a ceiling.
8. A Fire Department Connection (FDC) supplies _____ water to a system.
A) Primary
B) Supplemental
C) Backup
D) Reserved
Rationale: The FDC provides supplemental water to boost system pressure during a fire.
9. Which pipes supply sprinklers directly or through drops/arms?
, ESTUDYR
A) Risers
B) Branch lines
C) Cross mains
D) Feed mains
Rationale: Branch lines deliver water to individual sprinklers (NFPA 13).
10. Which components require permanently marked waterproof identification signs?
A) Control valves
B) Drain valves
C) Test connection valves
D) All of the above
Rationale: NFPA 13 requires all these valves to be clearly labeled for emergency access.
11. The responsibility for maintaining a water-based fire protection system lies with the:
A) Fire department
B) Insurance company
C) Owner of the property
D) AHJ
Rationale: The property owner is legally responsible for system maintenance (NFPA 25).
12. Hose connections in exit stairways may be placed at the highest intermediate landing if approved
by the AHJ.
A) True
B) False
Rationale: NFPA 14 allows this if the AHJ approves the location.
13. System inspection records must be made available to the:
A) Fire department
B) Insurance provider
C) Authority Having Jurisdiction (AHJ)
D) All of the above
OHIO SPRINKLER STUDY GUIDE 2025 QUESTIONS
AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) | ASSURED SUCCESS
1. A _____ is the vertical supply piping in a sprinkler system usually containing alarm devices, main
drains, and gauges.
A) Branch line
B) Riser
C) Cross main
D) Feed main
Rationale: A riser distributes water vertically and houses critical components like alarms and drains
(NFPA 13).
2. Cut grooving of steel pipe is allowed on Schedule _____ pipe.
A) 10
B) 30 and 40
C) 80
D) 120
Rationale: NFPA 13 permits grooving only on Schedule 30 and 40 steel pipe due to wall thickness
requirements.
3. Check valves shall be inspected internally every year to verify proper operation.
A) True
B) False
Rationale: NFPA 25 requires internal inspections every 5 years, not annually.
4. Dry sprinklers in service for 10 years must be replaced or tested.
A) True
B) False
,ESTUDYR
Rationale: NFPA 25 mandates replacement or sample testing every 10 years due to corrosion risks.
5. Antifreeze solutions are permitted in standpipe systems.
A) True
B) False
Rationale: NFPA 25 prohibits antifreeze in standpipes due to performance and toxicity concerns.
6. Standpipe gauges are required above and below:
A) Each alarm valve
B) Each check valve
C) Each backflow preventer
D) All of the above
Rationale: Gauges are required at all these points to monitor pressure (NFPA 14).
7. A "small room" in light hazard occupancies is defined as having an area ≤ _____ sq ft.
A) 500
B) 800
C) 1,000
D) 1,200
Rationale: NFPA 13 defines small rooms as ≤800 sq ft with walls and a ceiling.
8. A Fire Department Connection (FDC) supplies _____ water to a system.
A) Primary
B) Supplemental
C) Backup
D) Reserved
Rationale: The FDC provides supplemental water to boost system pressure during a fire.
9. Which pipes supply sprinklers directly or through drops/arms?
, ESTUDYR
A) Risers
B) Branch lines
C) Cross mains
D) Feed mains
Rationale: Branch lines deliver water to individual sprinklers (NFPA 13).
10. Which components require permanently marked waterproof identification signs?
A) Control valves
B) Drain valves
C) Test connection valves
D) All of the above
Rationale: NFPA 13 requires all these valves to be clearly labeled for emergency access.
11. The responsibility for maintaining a water-based fire protection system lies with the:
A) Fire department
B) Insurance company
C) Owner of the property
D) AHJ
Rationale: The property owner is legally responsible for system maintenance (NFPA 25).
12. Hose connections in exit stairways may be placed at the highest intermediate landing if approved
by the AHJ.
A) True
B) False
Rationale: NFPA 14 allows this if the AHJ approves the location.
13. System inspection records must be made available to the:
A) Fire department
B) Insurance provider
C) Authority Having Jurisdiction (AHJ)
D) All of the above
