The device shown in the illustration is...

Question 1 of 2707066636eee28f7522a1c51e7f5

The device shown in the illustration is commonly used to __________. Illustration GS-0120

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Question 1 of 27070

The device shown in the illustration is commonly used to __________. Illustration GS-0120

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🔍 Key Concepts

• Identify the labeled compressor unit, receiver sump, and line pressure gauge in the illustration and think about what type of system normally uses these parts. • Consider the difference between a pump (moves liquids) and a compressor (acts on gases) in typical engine-room equipment. • Look at the presence of moisture bleed valves and a large cylindrical receiver; think about what kind of fluid would have moisture that needs to be drained from a receiver.

💭 Think About

• Ask yourself: Is the main device handling a liquid or a gas, based on the receiver, gauges, and bleed valves shown? • Which of the answer choices names a function that matches the word used in the figure’s labels (e.g., ‘compressor unit’) and the presence of a storage receiver? • Would a system designed to generate electricity or pump heavy liquids usually include a large air receiver with moisture drains and line pressure gauges like this?

✅ Before You Answer

• Verify which choice refers to acting on a gas rather than a liquid or electrical energy. • Confirm that the labeled compressor unit and receiver sump match what you’d expect for a ship’s service air or control air system. • Double‑check that a device used to pump liquids would not normally have an air receiver and moisture bleed valves arranged like those shown.