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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?
Suggested Answer: B
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33 comments · newest first
DE
Derick
10 months ago
Standard is K4.2 (Km=60) for 0.34 gpm/ft².
ES
Estrella
11 months ago
Wait, are we really using K4.2 for such low densities?
LE
Leana
11 months ago
K8.0 seems too high for that density.
CH
Christoper
11 months ago
I think it should be K5.6, not K4.2.
FI
Fidelia
11 months ago
It's K4.2 for sure!
AG
Agustin
12 months ago
I’m leaning towards K4.2 too, but I remember there being some confusion about the ranges for different densities.
JA
Jaime
12 months ago
I feel like K8.0 could be the right choice, but I need to double-check my notes on sprinkler coefficients.
CA
Carmen
12 months ago
I practiced a similar question where K5.6 was mentioned, but I can't recall if that was for a higher density.
TH
Theola
1 year ago
I think the answer might be K4.2, but I'm not entirely sure. I remember something about lower densities needing lower coefficients.
LE
Lelia
1 year ago
Hmm, I'm not totally sure about this one. I'll need to review my notes and the course materials to make sure I understand the relationship between sprinkler design density and orifice coefficient.
GR
Gracia
1 year ago
I've got this! For sprinkler design densities of 0.34 gpm/ft² or less, the minimal standard-response sprinkler nominal orifice coefficient is K5.6 (Km=80).
AN
Angelo
1 year ago
Wait, what's the difference between the K-factors and Km values? I'm a bit confused on how to interpret those.
KI
Kizzy
1 year ago
Okay, I remember learning about this in class. I think the key is to find the minimal standard-response sprinkler nominal orifice coefficient for the given sprinkler design density.
MA
Margurite
1 year ago
Hmm, this seems like a tricky one. I'll need to think through the sprinkler design density and orifice coefficient requirements carefully.
GR
Gregg
2 years ago
I remember studying this, and I think the answer is actually B) K 5.6 Km-80)
MA
Marvel
2 years 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.
GE
Gearldine
2 years 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*
RO
Rolland
2 years ago
I'm not sure, but I think it might be D) K11.2(Km=160)
JA
Jacinta
2 years 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?
JO
Johana
1 year ago
Let's go with D then, better safe than sorry.
TH
Theodora
1 year ago
I'm not sure, but I would go with D as well.
LU
Ludivina
1 year ago
I think D is a safe choice too.
LA
Lavelle
2 years ago
Nah, I'm going with C. K 8.0 (Km=115) - bigger is better, right? Plus, it sounds more badass.
GL
Glory
2 years ago
User3: I'm not so sure, I think D might be a better option. K11.2 (Km=160) sounds more powerful.
TR
Trinidad
2 years ago
User2: Yeah, I agree. Bigger is better when it comes to sprinkler design densities.
ME
Melodie
2 years ago
User1: I think C is the way to go. K 8.0 (Km=115) seems solid.
CO
Coral
2 years ago
I think the answer is B. K 5.6 (Km=80) because that's the standard for low-density sprinkler systems.
LE
Leatha
2 years ago
Yes, following the standards ensures the sprinkler system will function properly in case of a fire.
QU
Quentin
2 years ago
I think we should always refer to the guidelines for sprinkler design densities.
JA
Jacquline
2 years ago
That makes sense, it's important to use the correct standard-response sprinkler nominal orifice coefficient.
RE
Reita
2 years ago
I agree, the answer is B. K 5.6 (Km=80) for low-density sprinkler systems.
EL
Eliz
2 years ago
I disagree, I believe the correct answer is C) K 8.0 (Km=115)
KI
Kimbery
2 years ago
I think the answer is A) K4.2 (Km=60)