What happens after WCFS discharge?

Study for the NFPA 96/17A Class K Test. Prepare with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

What happens after WCFS discharge?

Explanation:
When a WCFS discharge occurs, the wet chemical agent has been released and is consumed in the firefighting action. The system is no longer ready for reuse and must be recharged with fresh wet chemical agent, with the specific type and amount per the manufacturer’s instructions. In addition, the affected areas—such as the hood, ductwork, and capture devices—need thorough cleaning to remove grease and any residue left by the discharged agent. This service ensures the system will function correctly if another incident occurs and that surfaces are safe to reuse. The other options aren’t correct because the system does not automatically prevent future discharges, nor does it only require replacing hood filters. And nothing about automatic reset means no action is required—the system must be serviced and recharged before it can be relied upon again.

When a WCFS discharge occurs, the wet chemical agent has been released and is consumed in the firefighting action. The system is no longer ready for reuse and must be recharged with fresh wet chemical agent, with the specific type and amount per the manufacturer’s instructions. In addition, the affected areas—such as the hood, ductwork, and capture devices—need thorough cleaning to remove grease and any residue left by the discharged agent. This service ensures the system will function correctly if another incident occurs and that surfaces are safe to reuse.

The other options aren’t correct because the system does not automatically prevent future discharges, nor does it only require replacing hood filters. And nothing about automatic reset means no action is required—the system must be serviced and recharged before it can be relied upon again.

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