Engineering · Steam — Carryover
Priming or carryover in a boiler refers to:
- ASteam leaving the drum too dry
- BWater/solids being carried over with the steam into the line✓ Correct
- CLoss of feedwater pressure
- DExcess combustion air
Explanation
Carryover/priming is water and dissolved solids carried out with the steam — caused by high water level, high solids, or sudden load swings. It can damage the turbine and contaminate downstream equipment.
Authority: Steam Plants (USCG engineering topic)
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