EML4304C Test 1A Fall 2009

EML4304C Test 1A Fall 2009 - EML 4304C Test 1 Fall 2009...

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EML 4304C Test 1 - Fall 2009 Name_______________________ Page 1 of 1 Each question worth 10 points. 1a) What is the hydraulic diameter? a) 0.343 m b) 0.22 m c) 0.54 m d) 0.35 m e) 0.45 m f) 0.40 m 1b) What is the Reynolds number? a) 117,300 b) 121,500 c) 131,400 d) 175,240 e)194,220 f) 198,170 1c) What is the average velocity of the flow? a) 5.83 m/s b) 4.2 m/s c) 6.7 m/s d) 8.9 m/s e) 2.63 m/s f) 7.41 m/s 1d) What is the friction factor? a) 0.00137 b) 0.0054 c) 0.0168 d) 0.0622 e) 0.083 f) 0.018 1e) What is the head loss through a 50-m-long section of the duct? a) 1.15 m b) 2.38 m c) 3.22 m d) 4.5 m e) 5.4 m f) 5.91 m 1f) What is the pressure loss through a 50-m-long section of the duct? a) 20.1 Pa b) 30.06 Pa c) 42.2 pa d) 48.3 Pa e) 50.6 Pa f) 56.8 Pa 2a) At design conditions, the tangential component of the velocity entering the impeller, V 1,t = 0. At design conditions, what is the normal component of the velocity entering the impeller? a)
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This note was uploaded on 09/05/2011 for the course EML 4304C taught by Professor Abbitt during the Summer '09 term at University of Florida.

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EML4304C Test 1A Fall 2009 - EML 4304C Test 1 Fall 2009...

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