The function of the illustrated device is to...

The function of the illustrated device is to __________. See illustration GS-0034.

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🔍 Key Concepts

• Study how intercoolers are arranged on multi‑stage air compressors (between the low‑pressure and high‑pressure cylinders). • Review the purpose of an unloader/bleed valve that operates when a compressor starts or stops. • Compare the roles of a pressure‑regulating valve (controls flow to the system) versus a relief/bleed valve (dumps air from a specific space).

💭 Think About

• From the sketch, trace the air path: where does air come from (bottom connection) and where can it go when the valve opens (side/upper port or to atmosphere)? • Think about what needs to happen in the intercooler manifold when the compressor cycles OFF so that the next restart is not loaded heavily. • Which choice describes an action on the intercooler space itself, and which choices talk about the low‑pressure cylinder, system load, or air receiver that may not match the piping shown?

✅ Before You Answer

• Verify which label on the drawing is connected to the bottom of the intercooler manifold and what that implies when the valve opens. • Check whether any line in the figure connects to the air receiver or system piping; if you don’t see that, be cautious of options that mention the receiver or system load. • Confirm whether the valve’s operation (note on the sketch about compressor running vs stopped) matches a function that occurs only when the compressor cycles off, rather than during normal flow control.

🔍 Key Concepts

💭 Think About

✅ Before You Answer