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FinalReview

# FinalReview - CE2200 Final Exam CE2200 Final Exam Time...

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CE2200 Final Exam ¾ Time: Saturday December 15 from 3:00 – 5:00 PM . ¾ You are required to follow the six steps . ¾ The exam will be closed-book and closed-note. I will provide an equation sheet which contains the formulas you need on the test. ¾ Please bring a calculator. 12/6/2007 1

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Fluid Mechanics: Final Re ie Final Review 1. Control Volume Approach: 1) Continuity Equation: Chapter 5 2) Momentum Equation: Chapters 6, 9 & 11 3) Energy Equation: Chapters 7 & 10 2. Dimensional Analysis 1) Dimensional Analysis & Similitude: Chapter 8 3 Fluid Kinematics: Chapter 4 3. 4. Fluid Statics: Hydrostatic Forces on plane and curved surfaces and buoyancy: Chapter 3 12/6/2007 2 5. Fluid Properties: Chapter 2
Example On a busy day, a farmer is aiting fo a tank to be filled waiting for a tank to be filled with water. Water flows steadily from the faucet with l t i fl t f 10 a volumetric flow rate of 10 gal/min (1.337 ft 3 /min). The cylindrical tank has a radius f 1 5 ft d h i ht f 3 ft of 1.5 ft and a height of 3 ft. Use two methods to: Estimate the time it will take to fill up the empty tank so that the farmer can step away and finish other tasks at hand while the tank is being filled T = ? 12/6/2007 3 while the tank is being filled.

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Example Problem Diagram Solution: Step-1: T = ? S 2 T k h i k h Step-2: Take the entire tank as the control volume (red dashed lines). Step-3: Assumptions: (1) The fluid is incompressible (2) Step 3: Assumptions: (1) The fluid is incompressible. (2) The cross sectional area of the water flowing out of the faucet is negligible. Step-4: Equations : Applying the conservation of mass equation for this fixed and nondeforming control volume yields 12/6/2007 4
Example The chosen control volume includes both air and water. Note that the rate of change of the mass of air inside the Note that the rate of change of the mass of air inside the control volume should balance the mass of air flowing out, hence the conservation of mass can be written separately for air and water. For this problem, only the conservation of mass for water is needed.

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FinalReview - CE2200 Final Exam CE2200 Final Exam Time...

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