USCG USCG Steam
Set 3 • Question #308 of 496
Launch Interactive Practice Room What unit, or factor creates most of the vacuum within a tight and adequately cooled main condenser once the main engine is in operation?
A
Main condensate pump
B
Main air ejector
C
Condensation of turbine exhaust steam
✓ Correct Answer
D
Counterflow of seawater over the surface of the tubes with the flow of exhaust steam in the tubes
USCG NMC Regulatory Explanation
In USCG Steam Plants (Boilers & Turbines), regarding 'What unit, or factor creates most of the vacuum within a tight and adequately cooled main condenser once the main engine is in operation', the verified engineering fact is: 'Condensation of turbine exhaust steam'.
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