The main lube oil system used on the marine gas turbine engine shown in the illustration, is classified as a __________. Illustration GT-0017

Correct Answer: Option A — dry-sump

Dry-sump systems are standard for marine gas turbines to prevent oil pooling in the bearing housings. Scavenge pumps continuously remove oil from the engine, transferring it to an external reservoir. This design allows for high-angle operation and prevents the turbine from operating in an oil-submerged state.