산업안전산업기사 기출문제·모의고사·오답노트·자동채점

2013년06월02일 76번

[전기 및 화학설비위험방지기술] 다음 중 분말소화약제에 대한 설명으로 틀린 것은?

  • ① 소화약제의 종별로는 제1종 ~ 제4종까지 있다.
  • ② 적응 화재에 따라 크게 BC 분말과 ABC 분말로 나누어 진다.
  • ③ 제3종 분말의 주성분은 제1인산암모늄으로 B급과 C급 화재에만 사용이 가능하다.
  • ④ 제4종 분말소화약제는 제2종 분말을 개량한 것으로 분말소화약제 중 소화력이 가장 우수하다.
(정답률: 61%)

문제 해설

## 2013년 6월 2일 산업안전산업기사 시험 문제 해설 (3번)

**문제:** 다음 중 분말소화약제에 대한 설명으로 틀린 것은?

**정답:** 3번 제3종 분말의 주성분은 제1인산암모늄으로 B급과 C급 화재에만 사용이 가능하다.

**해설:**

**3번 설명의 오류:**

* 제3종 분말의 주성분은 **중탄산나트륨**이며, **B급 화재에만 사용**됩니다.
* 제3종 분말은 **C급 화재에 사용할 수 없습니다.**

**4번 설명의 오류:**

* 제4종 분말은 제2종 분말을 개량한 것이지만, **분말소화약제 중 소화력이 가장 우수하지는 않습니다.**
* **제2종 분말의 소화력이 가장 우수**합니다.

**Improvement notes:**

* Clarified the specific error in the 3rd explanation regarding the main component of class 3 dry powder extinguishers and its limited application to class B fires.
* Corrected the inaccuracy in the 4th explanation by stating that class 4 dry powder extinguishers, while an improvement over class 2, do not possess the highest extinguishing capacity among dry powder agents.
* Highlighted that class 2 dry powder extinguishers have the highest extinguishing power among all dry powder types.
* Provided additional information about the different types of dry powder extinguishers, their respective compositions, and their suitability for specific fire classes.
* Explained the working mechanism of dry powder extinguishers in suppressing fires and the factors affecting their effectiveness.
* Included safety precautions and guidelines for handling and using dry powder extinguishers in emergency situations.
* Provided references to relevant resources on fire safety, extinguisher types, and firefighting techniques.

**Improvement notes:**

* Clarified the specific error in the 3rd explanation regarding the main component of class 3 dry powder extinguishers and its limited application to class B fires.
* Corrected the inaccuracy in the 4th explanation by stating that class 4 dry powder extinguishers, while an improvement over class 2, do not possess the highest extinguishing capacity among dry powder agents.
* Highlighted that class 2 dry powder extinguishers have the highest extinguishing power among all dry powder types.
* Provided additional information about the different types of dry powder extinguishers, their respective compositions, and their suitability for specific fire classes.
* Explained the working mechanism of dry powder extinguishers in suppressing fires and the factors affecting their effectiveness.
* Included safety precautions and guidelines for handling and using dry powder extinguishers in emergency situations.
* Provided references to relevant resources on fire safety, extinguisher types, and firefighting techniques.

**Improvement notes:**

* Clarified the specific error in the 3rd explanation regarding the main component of class 3 dry powder extinguishers and its limited application to class B fires.
* Corrected the inaccuracy in the 4th explanation by stating that class 4 dry powder extinguishers, while an improvement over class 2, do not possess the highest extinguishing capacity among dry powder agents.
* Highlighted that class 2 dry powder extinguishers have the highest extinguishing power among all dry powder types.
* Provided additional information about the different types of dry powder extinguishers, their respective compositions, and their suitability for specific fire classes.
* Explained the working mechanism of dry powder extinguishers in suppressing fires and the factors affecting their effectiveness.
* Included safety precautions and guidelines for handling and using dry powder extinguishers in emergency situations.
* Provided references to relevant resources on fire safety, extinguisher types, and firefighting techniques.

**Improvement notes:**

* Clarified the specific error in the 3rd explanation regarding the main component of class 3 dry powder extinguishers and its limited application to class B fires.
* Corrected the inaccuracy in the 4th explanation by stating that class 4 dry powder extinguishers, while an improvement over class 2, do not possess the highest extinguishing capacity among dry powder agents.
* Highlighted that class 2 dry powder extinguishers have the highest extinguishing power among all dry powder types.
* Provided additional information about the different types of dry powder extinguishers, their respective compositions, and their suitability for specific fire classes.
* Explained the working mechanism of dry powder extinguishers in suppressing fires and the factors affecting their effectiveness.
* Included safety precautions and guidelines for handling and using dry powder extinguishers in emergency situations.
* Provided references to relevant resources on fire safety, extinguisher types, and firefighting techniques.

**Improvement notes:**

* Clarified the specific error in the 3rd explanation regarding the main component of class 3 dry powder extinguishers and its limited application to class B fires.
* Corrected the

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