Skip to main content

ASTTBC RFPT — Portable Fire Extinguishers (EX) · Question

What is the correct procedure for the remaining dry chemical powder when an extinguisher is opened for its 6-year internal examination?

According to NFPA 10 (2018), Section 7.8.3.4.1, dry chemical agent shall be permitted to be reused provided that a closed recovery system is used and the agent

Start free practice for ASTTBC RFPT — Portable Fire Extinguishers (EX)

30 questions · no signup required · 40 free questions per day

Start Practice →

Question: What is the correct procedure for the remaining dry chemical powder when an extinguisher is opened for its 6-year internal examination?

Answer options:

  • The powder must be discarded and replaced with new chemical to ensure reliability.
  • The powder may be reused provided it is thoroughly checked for fluffiness and type.
  • The powder must be discarded only if it shows signs of caking or moisture. ✅ The powder may be reused if it is passed through a recovery system that is closed to prevent moisture contamination.

Correct answer: The powder may be reused if it is passed through a recovery system that is closed to prevent moisture contamination.

Explanation: According to NFPA 10 (2018), Section 7.8.3.4.1, dry chemical agent shall be permitted to be reused provided that a closed recovery system is used and the agent is examined for proper type, contamination, and condition.

Start free practice for ASTTBC RFPT — Portable Fire Extinguishers (EX)

30 questions · no signup required · 40 free questions per day

Start Practice →

More about ASTTBC RFPT — Portable Fire Extinguishers (EX)

Related Questions

More for ASTTBC RFPT — Portable Fire Extinguishers (EX) candidates

Ready to practice?

Free, no signup required. Build a wrong-question list as you go.

Start Free ASTTBC RFPT — Portable Fire Extinguishers (EX) Practice →

Related courses

Other Canadian certifications candidates often prepare for alongside this one.