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NFPA Exam CFPS Topic 5 Question 7 Discussion

Actual exam question for NFPA's CFPS exam
Question #: 7
Topic #: 5
[All CFPS Questions]

For sprinkler design densities of 0.34 gpm/ft* (13.9 mm/min) or less, what minimal standard-response sprinkler nominal orifice coefficient should be used?

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Suggested Answer: B

by Adolph at Mar 08, 2025, 11:33 PM

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Gregg
16 days ago
I remember studying this, and I think the answer is actually B) K 5.6 Km-80)
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Marvel
16 days ago
Ah, the age-old debate: 'K-factor, Km-factor, or just go with the flow?' *chuckles* I'm sticking with B. K 5.6 (Km=80) - it's the Goldilocks of sprinkler coefficients.
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Gearldine
17 days ago
Woah, this question is making my head spin. I'm just gonna go with A. K4.2 (Km=60) and hope for the best. What's the worst that could happen, right? *nervous laughter*
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Rolland
18 days ago
I'm not sure, but I think it might be D) K11.2(Km=160)
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Jacinta
19 days ago
Hold up, is this a trick question? I'm going with D. K11.2 (Km=160) just to be safe. Gotta cover all my bases, you know?
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Lavelle
28 days ago
Nah, I'm going with C. K 8.0 (Km=115) - bigger is better, right? Plus, it sounds more badass.
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Glory
14 days ago
User3: I'm not so sure, I think D might be a better option. K11.2 (Km=160) sounds more powerful.
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Trinidad
15 days ago
User2: Yeah, I agree. Bigger is better when it comes to sprinkler design densities.
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Melodie
24 days ago
User1: I think C is the way to go. K 8.0 (Km=115) seems solid.
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Coral
1 months ago
I think the answer is B. K 5.6 (Km=80) because that's the standard for low-density sprinkler systems.
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Leatha
13 days ago
Yes, following the standards ensures the sprinkler system will function properly in case of a fire.
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Quentin
14 days ago
I think we should always refer to the guidelines for sprinkler design densities.
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Jacquline
15 days ago
That makes sense, it's important to use the correct standard-response sprinkler nominal orifice coefficient.
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Reita
19 days ago
I agree, the answer is B. K 5.6 (Km=80) for low-density sprinkler systems.
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Eliz
1 months ago
I disagree, I believe the correct answer is C) K 8.0 (Km=115)
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Kimbery
1 months ago
I think the answer is A) K4.2 (Km=60)
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