Fire Extinguishers
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Questions and Answers

Which of the following statements accurately describes the behavior of the extinguisher when the temperature reaches approximately 79 deg C?

  • The fusible material in the tip of the discharge tube solidifies.
  • The extinguisher discharges partially within 3 to 15 sec.
  • The extinguisher discharges completely within 3 to 15 sec. (correct)
  • The extinguisher remains unaffected.

    • What happens to the fusible material in the tip of the discharge tube when the temperature is below 79 deg C?

  • It solidifies.
  • It becomes more flammable.
  • It remains unchanged. (correct)
  • It evaporates.

    • At what temperature does the fusible material in the tip of the discharge tube melt?

  • Approximately 79 deg C (correct)
  • Approximately 0 deg C
  • Approximately 3 sec
  • Approximately 15 sec

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