TN CMC-D Fire Sprinkler Practice Questions - Tennessee Fire Sprinklers And Fire Protection (CMC-D) Contractor Examination Exam

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Unless a listing requires a higher value, NFPA 13 (2022) requires a minimum residual operating pressure at a standard spray sprinkler of:

7 psi 15 psi 20 psi 50 psi

Correct Answer:

7 psi

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