Certified Fire Protection Specialist (CFPS) — Question 60
What Class would a duct material meet with a flame spread rating of 20, an inside surface smoke development rating of 30, and an outside surface smoke development rating of 45?
Answer options
- A. Class 0
- B. Class 1
- C. Class 2
- D. Class 2C
Correct answer: C
Explanation
The correct answer is Class 2, as it aligns with the given flame spread and smoke development ratings. Class 0 and Class 1 represent lower flame spread and smoke ratings, while Class 2C is not applicable to the specified ratings, thus making Class 2 the accurate classification.