Which outcome occurs when a reciprocating pump is operated with a closed discharge valve?

💡 Explanation

When a reciprocating pump operates against a closed discharge, the pump continues to displace fluid into a fixed volume, which causes rapid pressure rise exceeding material strength, potentially rupturing the pump or pipe because positive displacement occurs. Therefore, rupture results, rather than runaway uncoupled speed, overheating, or cavitation damage requiring different pump designs/conditions.

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