FE Exam Fluids: Energy Equation and Moody Chart Friction Factor Example Solved

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*🧠 FE Exam Prep | Pipe Flow – Energy Equation & Moody Chart Friction Factor*

Tackling pipe flow questions on the *FE exam**? In this video, we solve a realistic FE-style problem using the **energy equation* and a *Moody chart* friction factor.

We also highlight key *reservoir assumptions* — like *zero velocity* and *zero gauge pressure* at the free surface — to simplify your analysis and apply the equation correctly.

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*✅ You’ll Learn How To:*
Apply the energy equation across tank-to-tank systems
Use zero velocity and pressure assumptions for large reservoirs
Determine Reynolds number and flow regime
Use the Moody chart for friction factor estimation
Calculate head loss with the Darcy–Weisbach equation

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*📘 Topics Covered:*
• Pipe flow and friction losses
• Energy conservation in fluid systems
• Moody chart interpolation
• Darcy–Weisbach equation
• FE-style problem solving and time-saving tips

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*💡 Why This Matters:*
Pipe flow problems with tank connections are common on the FE. Understanding how to simplify using standard assumptions gives you a critical edge — and helps you work faster and more confidently on test day.

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