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

Under NFPA 13 as adopted in DC, what is the purpose of a retard chamber on an alarm check valve?

To increase water pressure To delay alarm activation to prevent false alarms from water pressure surges To filter debris from the water To measure flow rate

Correct Answer:

To delay alarm activation to prevent false alarms from water pressure surges

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