1. Q: What is the primary NFPA standard for the inspection, testing, and
maintenance of water-based fire protection systems? ANSWER NFPA 25 -
Standard for the Inspection, Testing, and Maintenance of Water-Based Fire
Protection Systems
2. Q: How often must wet pipe sprinkler system gauges be inspected?
ANSWER Quarterly (every 3 months)
3. Q: What is the required frequency for conducting a main drain test?
ANSWER Quarterly for most systems, or annually for systems with approved
supervisory service
4. Q: According to NFPA 25, how often must dry pipe valves be inspected
internally? ANSWER Annually
5. Q: What NFPA standard covers the installation of sprinkler systems?
ANSWER NFPA 13 - Standard for the Installation of Sprinkler Systems
6. Q: How often must antifreeze solutions be tested? ANSWER Annually,
and whenever the solution is added to or changed
7. Q: What is the frequency for conducting a full flow test on a fire pump?
ANSWER Annually
8. Q: How often must sprinkler system control valves be inspected when
sealed or locked? ANSWER Weekly
9. Q: What NFPA standard addresses standpipe and hose systems?
ANSWER NFPA 14 - Standard for the Installation of Standpipe and Hose
Systems
10. Q: How often must fire pump controllers be inspected? ANSWER
Weekly
11. Q: What is the required frequency for obstruction investigation of dry
pipe systems? ANSWER Every 5 years
,12. Q: According to NFPA 25, how often must waterflow alarms be tested?
ANSWER Quarterly
13. Q: What NFPA standard covers water spray fixed systems? ANSWER
NFPA 15 - Standard for Water Spray Fixed Systems for Fire Protection
14. Q: How often must fire department connections (FDC) be inspected?
ANSWER Quarterly
15. Q: What is the maximum time allowed for water delivery in a dry pipe
system? ANSWER 60 seconds for systems under 500 gallons, 90 seconds for
systems over 500 gallons
16. Q: How often must deluge and preaction valve trip tests be conducted?
ANSWER Annually
17. Q: What NFPA standard addresses foam-water sprinkler and spray
systems? ANSWER NFPA 16 - Standard for the Installation of Foam-Water
Sprinkler and Foam-Water Spray Systems
18. Q: How often must sprinkler heads in areas with corrosive atmospheres
be inspected? ANSWER Annually
19. Q: What is the frequency for conducting tests on pressure-reducing
valves? ANSWER Every 5 years
20. Q: According to NFPA 25, when must sprinkler sample testing be
conducted? ANSWER At 50 years for standard sprinklers, then every 10
years; at 20 years for fast-response sprinklers, then every 10 years
21. Q: What NFPA standard covers private fire service mains? ANSWER
NFPA 24 - Standard for the Installation of Private Fire Service Mains and Their
Appurtenances
22. Q: How often must gauges on wet systems be replaced? ANSWER
Every 5 years, or when found to be defective
23. Q: What is the required pressure for a sprinkler system hydrostatic
test? ANSWER 200 psi or 50 psi above maximum system pressure, whichever
is greater, for 2 hours
24. Q: How often must strainers, filters, and orifices in deluge systems be
inspected? ANSWER Annually
25. Q: What NFPA standard addresses fire pumps? ANSWER NFPA 20 -
Standard for the Installation of Stationary Pumps for Fire Protection
, 26. Q: How often must sprinkler heads be inspected from the floor level?
ANSWER Annually
27. Q: What is the minimum flow test duration for a fire pump annual test?
ANSWER 30 minutes at each test point (churn, rated flow, and 150% rated
flow)
28. Q: How often must valve supervisory devices be tested? ANSWER
Quarterly
29. Q: What NFPA standard covers fire hose connections? ANSWER
NFPA 1963 - Standard for Fire Hose Connections
30. Q: How often must quick-opening devices on dry pipe valves be tested?
ANSWER Annually
31. Q: What is the acceptable air pressure drop during a dry pipe system
air pressure test? ANSWER Not more than 1.5 psi in 24 hours
32. Q: How often must hydraulic nameplate data on fire pumps be
verified? ANSWER Annually during flow test
33. Q: What NFPA standard addresses water mist systems? ANSWER
NFPA 750 - Standard on Water Mist Fire Protection Systems
34. Q: How often must hose connections and valves on standpipes be
inspected? ANSWER Annually
35. Q: What is the minimum pressure required at a fire pump suction when
taking water from a public source? ANSWER 20 psi residual
36. Q: How often must backflow preventers be tested? ANSWER Annually,
or as required by local authority
37. Q: What NFPA standard covers water tanks for private fire protection?
ANSWER NFPA 22 - Standard for Water Tanks for Private Fire Protection
38. Q: How often must dry pipe trip test results be recorded? ANSWER
Every time the test is conducted (annually)
39. Q: What is the maximum temperature rise allowed during a fire pump
test? ANSWER No specific limit in NFPA 20, but excessive heat indicates
problems
40. Q: How often must underground piping be flow tested? ANSWER
Every 5 years
Section 2: Sprinkler System Components (Questions 41-80)
maintenance of water-based fire protection systems? ANSWER NFPA 25 -
Standard for the Inspection, Testing, and Maintenance of Water-Based Fire
Protection Systems
2. Q: How often must wet pipe sprinkler system gauges be inspected?
ANSWER Quarterly (every 3 months)
3. Q: What is the required frequency for conducting a main drain test?
ANSWER Quarterly for most systems, or annually for systems with approved
supervisory service
4. Q: According to NFPA 25, how often must dry pipe valves be inspected
internally? ANSWER Annually
5. Q: What NFPA standard covers the installation of sprinkler systems?
ANSWER NFPA 13 - Standard for the Installation of Sprinkler Systems
6. Q: How often must antifreeze solutions be tested? ANSWER Annually,
and whenever the solution is added to or changed
7. Q: What is the frequency for conducting a full flow test on a fire pump?
ANSWER Annually
8. Q: How often must sprinkler system control valves be inspected when
sealed or locked? ANSWER Weekly
9. Q: What NFPA standard addresses standpipe and hose systems?
ANSWER NFPA 14 - Standard for the Installation of Standpipe and Hose
Systems
10. Q: How often must fire pump controllers be inspected? ANSWER
Weekly
11. Q: What is the required frequency for obstruction investigation of dry
pipe systems? ANSWER Every 5 years
,12. Q: According to NFPA 25, how often must waterflow alarms be tested?
ANSWER Quarterly
13. Q: What NFPA standard covers water spray fixed systems? ANSWER
NFPA 15 - Standard for Water Spray Fixed Systems for Fire Protection
14. Q: How often must fire department connections (FDC) be inspected?
ANSWER Quarterly
15. Q: What is the maximum time allowed for water delivery in a dry pipe
system? ANSWER 60 seconds for systems under 500 gallons, 90 seconds for
systems over 500 gallons
16. Q: How often must deluge and preaction valve trip tests be conducted?
ANSWER Annually
17. Q: What NFPA standard addresses foam-water sprinkler and spray
systems? ANSWER NFPA 16 - Standard for the Installation of Foam-Water
Sprinkler and Foam-Water Spray Systems
18. Q: How often must sprinkler heads in areas with corrosive atmospheres
be inspected? ANSWER Annually
19. Q: What is the frequency for conducting tests on pressure-reducing
valves? ANSWER Every 5 years
20. Q: According to NFPA 25, when must sprinkler sample testing be
conducted? ANSWER At 50 years for standard sprinklers, then every 10
years; at 20 years for fast-response sprinklers, then every 10 years
21. Q: What NFPA standard covers private fire service mains? ANSWER
NFPA 24 - Standard for the Installation of Private Fire Service Mains and Their
Appurtenances
22. Q: How often must gauges on wet systems be replaced? ANSWER
Every 5 years, or when found to be defective
23. Q: What is the required pressure for a sprinkler system hydrostatic
test? ANSWER 200 psi or 50 psi above maximum system pressure, whichever
is greater, for 2 hours
24. Q: How often must strainers, filters, and orifices in deluge systems be
inspected? ANSWER Annually
25. Q: What NFPA standard addresses fire pumps? ANSWER NFPA 20 -
Standard for the Installation of Stationary Pumps for Fire Protection
, 26. Q: How often must sprinkler heads be inspected from the floor level?
ANSWER Annually
27. Q: What is the minimum flow test duration for a fire pump annual test?
ANSWER 30 minutes at each test point (churn, rated flow, and 150% rated
flow)
28. Q: How often must valve supervisory devices be tested? ANSWER
Quarterly
29. Q: What NFPA standard covers fire hose connections? ANSWER
NFPA 1963 - Standard for Fire Hose Connections
30. Q: How often must quick-opening devices on dry pipe valves be tested?
ANSWER Annually
31. Q: What is the acceptable air pressure drop during a dry pipe system
air pressure test? ANSWER Not more than 1.5 psi in 24 hours
32. Q: How often must hydraulic nameplate data on fire pumps be
verified? ANSWER Annually during flow test
33. Q: What NFPA standard addresses water mist systems? ANSWER
NFPA 750 - Standard on Water Mist Fire Protection Systems
34. Q: How often must hose connections and valves on standpipes be
inspected? ANSWER Annually
35. Q: What is the minimum pressure required at a fire pump suction when
taking water from a public source? ANSWER 20 psi residual
36. Q: How often must backflow preventers be tested? ANSWER Annually,
or as required by local authority
37. Q: What NFPA standard covers water tanks for private fire protection?
ANSWER NFPA 22 - Standard for Water Tanks for Private Fire Protection
38. Q: How often must dry pipe trip test results be recorded? ANSWER
Every time the test is conducted (annually)
39. Q: What is the maximum temperature rise allowed during a fire pump
test? ANSWER No specific limit in NFPA 20, but excessive heat indicates
problems
40. Q: How often must underground piping be flow tested? ANSWER
Every 5 years
Section 2: Sprinkler System Components (Questions 41-80)
