Chapt06

but the pressure drops along the pipe axis thus

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Unformatted text preview: behavior? W6.5 One flowmeter device, in wide use in the water supply and gasoline distribution industries, is the nutating disk. Look this up in the library, and explain in a brief report how it works and the advantages and disadvantages of typical designs. Fundamentals of Engineering Exam Problems FE6.1 In flow through a straight, smooth pipe, the diameter Reynolds number for transition to turbulence is generally taken to be (a) 1500, (b) 2100, (c) 4000, (d) 250,000, (e) 500,000 FE6.2 For flow of water at 20°C through a straight, smooth pipe at 0.06 m3/h, the pipe diameter for which transition to turbulence occurs is approximately (a) 1.0 cm, (b) 1.5 cm, (c) 2.0 cm, (d) 2.5 cm, (e) 3.0 cm FE6.3 For flow of oil [ 0.1 kg/(m s), SG 0.9] through a long, straight, smooth 5-cm-diameter pipe at 14 m3/h, the pressure drop per meter is approximately (a) 2200 Pa, (b) 2500 Pa, (c) 10,000 Pa, (d) 160 Pa, (e) 2800 Pa FE6.4 For flow of water at a Reynolds number of 1.03 E6 through a 5-cm-diameter pipe of ro...
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This note was uploaded on 10/27/2009 for the course MAE 101a taught by Professor Sakar during the Spring '08 term at UCSD.

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