DC Fire Sprinkler Practice Questions - District Of Columbia Fire Sprinkler Contractor Exam

Under NFPA 13 as adopted in DC, what K-factor is used for a large orifice (17/32-inch) sprinkler?

K = 5.6 K = 8.0 K = 11.2 K = 14.0

Correct Answer:

K = 8.0

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