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NFPA CWBSP Exam - Topic 1 Question 20 Discussion

A restaurant service area has an 18 ft (5.5 m) high T-Bar ceiling throughout. Using quick-response sprinklers in a wetsprinkler system, what is the minimum area and density that should be calculated?
D) 0.15 gpm/1,080 ft2 (6.1 mm/min over 100.3 m2)
A) 0.10 gpm/900 ft2 (4.1 mm/min over 84 m2)
B) 0.10 gpm/1,080 ft2 (4.1 mm/min over 100.3 m2)
C) 0.15 gpm/900 ft2 (6.1 mm/min over 84 m2)

NFPA CWBSP Exam - Topic 1 Question 20 Discussion

Actual exam question for NFPA's CWBSP exam
Question #: 20
Topic #: 1
[All CWBSP Questions]

A restaurant service area has an 18 ft (5.5 m) high T-Bar ceiling throughout. Using quick-response sprinklers in a wet

sprinkler system, what is the minimum area and density that should be calculated?

Show Suggested Answer Hide Answer
Suggested Answer: D

In a restaurant service area with an 18 ft high T-Bar ceiling and using quick-response sprinklers in a wet system, the minimum area and density that should be calculated is typically 0.15 gpm over 1,080 ft (6.1 mm/min over 100.3 m), considering the ceiling height and occupancy.


by Vicky at Aug 04, 2025, 03:20 AM

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Glenna
7 months ago
C has a higher density, but is it really necessary?
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Ettie
7 months ago
I agree with B, makes the most sense for coverage.
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Delfina
7 months ago
Definitely not A, that density seems too low.
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Theron
7 months ago
I think it's B, 0.10 gpm/1,080 ft2.
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Anabel
7 months ago
Wait, are we sure about those numbers? Seems off to me.
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Starr
8 months ago
I feel like option B makes sense, but I can't remember if the area should be 900 or 1,080 ft² for this type of ceiling.
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Merrilee
8 months ago
I'm a bit confused about the density options. Is it 0.15 gpm for higher ceilings? I need to double-check that.
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Andra
8 months ago
I think we practiced a question similar to this, and I recall that 1,080 ft² was mentioned as a common area for wet systems.
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Hollis
8 months ago
I remember that for quick-response sprinklers, the density is often around 0.10 gpm, but I'm not sure about the area.
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Pearly
9 months ago
No problem, I've got this. Quick-response sprinklers in a wet system are pretty straightforward. I'll just plug the ceiling height into the standard formulas and select the appropriate minimum area and density.
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Avery
9 months ago
This question seems a little tricky. I'll need to review the code requirements carefully and make sure I'm applying them correctly to this specific scenario with the T-Bar ceiling.
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Emile
9 months ago
Okay, I think I've got this. The key is to determine the minimum area and density based on the 18 ft ceiling height. I'll work through the calculations step-by-step to make sure I get the right answer.
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Tawanna
9 months ago
Hmm, I'm a bit unsure about the specifics of quick-response sprinklers. I'll need to double-check the code details to make sure I understand the differences from standard sprinklers.
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Tess
9 months ago
This looks like a straightforward sprinkler system design question. I'll need to review the code requirements for quick-response sprinklers in a wet system and calculate the minimum area and density.
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Tyra
10 months ago
I think the answer is A) 0.10 gpm/900 ft2 (4.1 mm/min over 84 m2)
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Mica
11 months ago
Hold on, is this a trick question? I feel like I'm about to get sprayed with water just for thinking about it.
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Sue
10 months ago
B: I think the answer is C) 0.15 gpm/900 ft2 (6.1 mm/min over 84 m2).
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Kanisha
10 months ago
A: It's not a trick question, just a calculation for fire safety.
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Elza
11 months ago
D seems like the obvious choice here. Anything less and those flames might just laugh it off.
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Rossana
11 months ago
I'm pretty sure the answer is B. Gotta love those quick-response sprinklers, am I right?
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Arlette
10 months ago
I think the answer is actually C. The density should be 0.15 gpm/900 ft2.
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