Water Distribution Operator Class II Practice Questions - ABC WPI Water Distribution Operator Class II Certification Exam

Under NFPA 291, a hydrant tested at 1,200 gpm available at 20 psi residual should be color-coded as:

Blue (>1,500 gpm) Green (1,000–1,499 gpm) Orange (500–999 gpm) Red (<500 gpm)

Correct Answer:

Green (1,000–1,499 gpm)

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