Engineering · Steam — Boilers
Priming or carryover in a boiler is best described as:
- AWater and solids carried over with the steam into the steam line✓ Correct
- BAir trapped in the feedwater
- CLoss of vacuum in the condenser
- DExcess fuel in the furnace
Explanation
Priming/carryover is the entrainment of boiler water droplets and dissolved solids in the outgoing steam, caused by high water level, high TDS, or sudden load swings. It can damage superheaters and turbines.
Authority: Steam Plants (USCG engineering topic)
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