NFPA Exam CWBSP Topic 2 Question 3 Discussion

Actual exam question for NFPA's CWBSP exam

Question #: 3
Topic #: 2

[All CWBSP Questions]

A 4.2 K-factor sprinkler must deliver 17 gpm (692 mm/min). What pressure is required?

A4.52 psi (0.31 bar)

B9.22 psi (0.63 bar)

C16.38 psi (1.13 bar)

D36.86 psi (2.54 bar)

Show Suggested Answer

Suggested Answer: B

To deliver 17 gpm with a 4.2 K-factor sprinkler, approximately 9.22 psi pressure is required. This is calculated using the sprinkler's K-factor formula, which relates flow rate, pressure, and the K-factor.

by Ruthann at Nov 13, 2024, 08:05 PM

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