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Unformatted text preview: 2.9 21.24 1.0 32.27 3.0 20.49 1.5 31.22 3.1 19.6 2.0 28.21 3.2 18.69 2.25 26.51 3.25 18.16 2.5 24.38 3.3 17.54 2.6 23.7 3.35 17.02 2.7 22.88 3.4 16.14 3) Gasoline having a specific gravity of 0.8 is flowing in the pipe shown at a rate of 6 cfs. The area at section 1 is 0.80 ft 2 and the area at section 2 is 0.20 ft 2 . a) What is the pressure at section 2 when the pressure at section 1 is 10 psig and the head loss if 4 ft between the two sections? 4) The small boat is driven at a steady speed V o by a jet of compressed air issuing from a 3cmdiameter hole at V e = 343 m/s. Jet exit conditions can be assumed to be P e = 1atm and T e = 30 ° C. The hull drag is k V o 2 where k = 19 Ns 2 /m 2 . a) Estimate the boat speed V o in m/s. gasoline g 1 12 ft 2...
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 Spring '06
 wark
 Fluid Dynamics, Energy, Kinetic Energy

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