If a check valve in a pumping system fails to operate correctly, what is a likely consequence?

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Multiple Choice

If a check valve in a pumping system fails to operate correctly, what is a likely consequence?

Explanation:
A check valve is meant to allow fluid to flow in only one direction and to close if flow tries to go backward. When it fails to operate, reverse flow can occur. That backflow can cause pressure surges, known as water hammer, and can damage pumps, fittings, or valves downstream, as well as potentially introduce contaminants or disrupt the system’s operation. Temperature rise isn’t the typical direct outcome of a failed check valve; it would stem from other process conditions or losses rather than the valve not blocking reverse flow.

A check valve is meant to allow fluid to flow in only one direction and to close if flow tries to go backward. When it fails to operate, reverse flow can occur. That backflow can cause pressure surges, known as water hammer, and can damage pumps, fittings, or valves downstream, as well as potentially introduce contaminants or disrupt the system’s operation. Temperature rise isn’t the typical direct outcome of a failed check valve; it would stem from other process conditions or losses rather than the valve not blocking reverse flow.

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