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EML4304C Test 1 Fall 2008 - EML4304C 1 What is the...

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EML4304C Test 1 Fall 2008 Name _____________________ 1. What is the hydraulic diameter? a) 0.040 m b) 1.000 m c) 0.520 m d) 0.077 m e) 0.089 m 2. What is the Reynolds number? 3. What is the friction factor? 4. Disregarding the entrance and roughness effects, determine the pressure drop in the collector. 5. Which equation should be used to determine the head required, H required ? a) b) c) d) e) 6. If the flow rate is 2.0 liters/min, what is the Reynolds number for the pipe? 7. If the flow rate is 2.0 liters/min, what is the friction factor for the pipe? 8. If the flow rate is 2.0 liters/min, what is the head required? 9. What is the loss coefficient K L for the contraction? a) 0.02 b) 0.1 c) 0.4 d) 0.6 e) 0.8
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