NFPA 13 Questions and Answers |
Latest Version | 2025/2026 | Correct &
Verified
What is the primary purpose of NFPA 13 in chemical plants?
✔✔To provide standards for the installation of automatic fire sprinkler systems.
What is the minimum spacing allowed between sprinklers in a standard industrial warehouse?
✔✔12 feet.
Why is sprinkler density important in chemical storage facilities?
✔✔It ensures adequate water coverage to control or suppress fires.
What type of hazard classification requires the highest sprinkler density?
✔✔Extra hazard.
Which sprinkler system component detects heat and activates water flow?
✔✔The sprinkler head.
1
, What is the typical operating temperature range for standard sprinkler heads?
✔✔135°F to 165°F (57°C to 74°C).
What is the main function of a dry pipe sprinkler system?
✔✔To prevent water from sitting in pipes in areas subject to freezing.
Why are chemical storage areas often required to have pre-action sprinkler systems?
✔✔To prevent accidental water discharge in sensitive processes.
What is the minimum water supply duration for an NFPA 13 protected system in a chemical
plant?
✔✔30 minutes.
Why is hydraulic calculation important for sprinkler system design?
✔✔It ensures adequate pressure and flow at each sprinkler.
What is the main hazard addressed by NFPA 13 in flammable liquid storage?
✔✔Rapid fire spread and high heat release.
2
Latest Version | 2025/2026 | Correct &
Verified
What is the primary purpose of NFPA 13 in chemical plants?
✔✔To provide standards for the installation of automatic fire sprinkler systems.
What is the minimum spacing allowed between sprinklers in a standard industrial warehouse?
✔✔12 feet.
Why is sprinkler density important in chemical storage facilities?
✔✔It ensures adequate water coverage to control or suppress fires.
What type of hazard classification requires the highest sprinkler density?
✔✔Extra hazard.
Which sprinkler system component detects heat and activates water flow?
✔✔The sprinkler head.
1
, What is the typical operating temperature range for standard sprinkler heads?
✔✔135°F to 165°F (57°C to 74°C).
What is the main function of a dry pipe sprinkler system?
✔✔To prevent water from sitting in pipes in areas subject to freezing.
Why are chemical storage areas often required to have pre-action sprinkler systems?
✔✔To prevent accidental water discharge in sensitive processes.
What is the minimum water supply duration for an NFPA 13 protected system in a chemical
plant?
✔✔30 minutes.
Why is hydraulic calculation important for sprinkler system design?
✔✔It ensures adequate pressure and flow at each sprinkler.
What is the main hazard addressed by NFPA 13 in flammable liquid storage?
✔✔Rapid fire spread and high heat release.
2
