The fuel oil back pressure regulator on the...

Question 1 / 2066636eed28f7522a1c51e049

Question 1 of 2066636eed28f7522a1c51e049

The fuel oil back pressure regulator on the fuel system shown in the illustration, returns fuel to which of the following? Illustration GT-0021

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Question 1 of 20

66636eed28f7522a1c51e049

The fuel oil back pressure regulator on the fuel system shown in the illustration, returns fuel to which of the following? Illustration GT-0021

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🔍 Key Concepts

• Trace the fuel flow path on the schematic from the booster/boost element through the pump, filters, control system, and back to low-pressure side. • Understand the purpose of a back pressure (bypass) regulator: it maintains a set pressure by diverting excess flow back to a lower-pressure point. • Compare the regulator’s return line on the drawing with the lines connected to the purge valve, day tank/supply, and booster section.

💭 Think About

• Starting at the back pressure (bypass) regulator symbol, follow the small return line: where does it physically reconnect into the system? Upstream or downstream of the booster/boost element? • Ask yourself: to maintain constant pressure at the metering valve, would the regulator send excess fuel all the way back to storage, to a drain, or just back to a lower‑pressure point in the circulating loop? • Look at the purge valve path on the lower part of the diagram: does the regulator’s return join that same line, or does it join a different section of the system?

✅ Before You Answer

• Verify which line from the bypass/back pressure regulator is a return line (arrow direction back toward low pressure). • Confirm whether that line joins the fuel supply/from tank line, the purge valve discharge/drain line, or the line leading into the boost/booster pump inlet. • Make sure you are not confusing the bypass relief valve (protects against overpressure) with the bypass/back pressure regulator (controls operating pressure in the control system).

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Question 1 of 20

The fuel oil back pressure regulator on the fuel system shown in the illustration, returns fuel to which of the following? Illustration GT-0021

Purge valve discharge.

Booster pump discharge.

Fuel oil day tank.

Booster pump suction.

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Question 1 / 2066636eed28f7522a1c51e049

Question 1 of 2066636eed28f7522a1c51e049

The fuel oil back pressure regulator on the fuel system shown in the illustration, returns fuel to which of the following? Illustration GT-0021

Back

Question 1 of 20

66636eed28f7522a1c51e049

The fuel oil back pressure regulator on the fuel system shown in the illustration, returns fuel to which of the following? Illustration GT-0021

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

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