Steam Plants (Boilers & Turbines) USCG Question #569 (Set 19)

If the cooling water flow through the air ejector inter condensers and after condensers is inadequate, which of the problems listed will occur?

Official USCG Answer & Rule Citation

Correct Answer: Option B — Main condenser absolute pressure will increase.

Inadequate cooling water flow through air ejector inter- and after-condensers impairs steam condensation, causing a buildup of backpressure and non-condensable gases which directly increases main condenser absolute pressure and degrades turbine performance.

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