🔍 Key Concepts

• Lube oil system functions on an auxiliary turbo‑generator (what must always be protected on start/stop/changeover) • Difference between lube oil pumps and governor/control oil systems • When the main lube oil pump cannot or should not be used, and why a hand pump is provided

💭 Think About

• First decide: does a hand lube oil pump normally have anything to do with the governor control system, or is it mainly for protecting bearings and maintaining oil flow? • Ask yourself: at what moments is it critical to keep steady lube oil pressure even if the main pump is off or briefly interrupted? Which choice matches that situation best? • Consider whether a hand pump would realistically be sized to assist during full‑load generator paralleling, or more for low‑flow, temporary or standby functions.

✅ Before You Answer

• Verify which choices talk specifically about lube oil pressure to bearings/filters versus governor or control oil functions. • Check if the hand lube oil pump would be used during normal high‑load operation, or mainly during starting, stopping, or maintenance steps. • Confirm which option describes a situation where a brief loss of lube oil flow would be dangerous, so a manual backup source of pressure would be needed.