NFPA 20 requires the diesel pump to operate at least how often?

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Multiple Choice

NFPA 20 requires the diesel pump to operate at least how often?

Explanation:
Diesel-powered fire pumps must be exercised on a weekly basis to verify readiness. Regular weekly running keeps the engine, fuel system, lubrication, cooling, battery, and control sequence operating properly, so the pump will start and deliver the required flow when called for. It also helps catch issues that can develop during periods of inactivity, such as fuel degradation, injector varnish, or battery drainage, before an actual demand occurs. This frequency balances reliability with practicality—daily would be overly burdensome, monthly could let problems go undetected for too long, and yearly would leave the pump untested for a long stretch.

Diesel-powered fire pumps must be exercised on a weekly basis to verify readiness. Regular weekly running keeps the engine, fuel system, lubrication, cooling, battery, and control sequence operating properly, so the pump will start and deliver the required flow when called for. It also helps catch issues that can develop during periods of inactivity, such as fuel degradation, injector varnish, or battery drainage, before an actual demand occurs. This frequency balances reliability with practicality—daily would be overly burdensome, monthly could let problems go undetected for too long, and yearly would leave the pump untested for a long stretch.

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