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Unformatted text preview: Pipe Problems 1. Water (V =1.1_4x10"6lm2/s) ﬂows at q’ 2 0.05m3 /S in
the 10 cm diameter pipe whose roughness is e=0.046mm.
I If the air in the tank is 191 — pa = ZOOkPa, What is the work rate of the pump? 2. A pressure 191 — pa =136kPa forces ﬂuid through the
1.5mm diameter tube with a velocity of 0.5m/s. The
density of the ﬂuid is p =1150kg/1m3 . What is the V
viscosity of the ﬂuid? 35 The pump delivers 20kW to cause a ﬂow rate of 140 US of ‘
water. What is the pressure p2 in the air in the top of tank 2. . 75$ 7 p, =2 kPa gage Commercial sieel pipe Water T=15”C
1/ =0.o1141x1’0~‘ mZ/s Fionw: R 711 4) The ﬂow rate through the system 'is q' = 0.4m3 / s. What
is the poyver out of the turbine? e/Dl = 0.003 ...
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This document was uploaded on 07/06/2011.
 Spring '09

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