According to illustration SE-0019, piston "F" in the gland seal regulator is moved upward by ________. SE-0019
Official USCG Answer & Rule Citation
Correct Answer: Option D — lube oil pressure
Marine steam turbine gland seal regulators often utilize lubricating oil pressure acting on a control piston as a safety interlock or operating medium to modulate sealing steam valves, ensuring proper steam supply relative to turbine operation.
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