How many lube oil sumps are installed on the marine gas turbine engine shown in the illustration? Illustration GT-0024
Official USCG Answer & Rule Citation
Correct Answer: Option D — 4
The marine gas turbine engine depicted in illustration GT-0024 utilizes a four-sump configuration. These sumps are strategically located to support the main rotor bearings and accessory drive components, ensuring reliable lubrication and effective scavenging throughout the engine's operational speed range as required by the manufacturer's technical manual.
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