The device shown in the illustration would...

🔍 Key Concepts

• Identify the type of pump shown (note the rotor with many radial vanes inside an off‑center circular casing). • Recall which engine room systems most often use a vane-type positive displacement pump. • Think about which system requires smooth, steady flow at relatively high pressure rather than simply moving large volumes of liquid.

💭 Think About

• Compare the internal parts in the illustration with the typical construction of gear, screw, liquid-ring/vacuum, and hydraulic vane pumps. Which one matches best? • Which of the four listed systems usually needs very precise, smooth control of flow and pressure to operate machinery, instead of just transferring or priming liquids? • Ask yourself: for bilge, lube oil transfer, fuel oil transfer, and hydraulic steering, which one is most likely to be designed around a vane-type hydraulic pump like the one shown?

✅ Before You Answer

• Make sure you can name the pump as a rotary vane pump (or very similar) based on the vanes sliding in and out of the rotor slots. • Verify from your engineering knowledge or notes which shipboard system is commonly powered by a vane-type hydraulic pump, not by gear or screw pumps. • Double-check that the system you choose is one where pressure and precise control are more critical than simple bulk fluid transfer.

The device shown in the illustration would normally be associated with what engine room system? See illustration GS-0075.

Bilge pump priming system.

Lube oil transfer system.

Fuel oil transfer system.

Hydraulic steering system.

🔍 Key Concepts

💭 Think About

✅ Before You Answer