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Unformatted text preview: ed iron pipe. Textbook Table of Contents  Study Guide P6.82 P6.83 P6.84 P6.85
EES P6.86 P6.87 P6.88 P6.89 P6.90 P6.91 Chapter 6 Viscous Flow in Ducts
Estimate the resulting flow rate, in m3/s. (Note that the
pump head is now in meters of gasoline.)
The pump in Fig. P6.80 has its maximum efficiency at a
head of 45 m. If it is used to pump ethanol at 20°C through
200 m of commercialsteel pipe, what is the proper pipe
diameter for maximum pump efficiency?
For the system of Fig. P6.55, let z 80 m and L 185 m
of castiron pipe. What is the pipe diameter for which the
flow rate will be 7 m3/h?
It is desired to deliver 60 m3/h of water at 20°C through
a horizontal asphalted castiron pipe. Estimate the pipe diameter which will cause the pressure drop to be exactly
40 kPa per 100 m of pipe length.
The pump of Fig. P6.80 is used to deliver 0.7 m3/s of
methanol at 20°C through 95 m of castiron pipe. What is
the proper pipe diameter?
SAE 10 oil at 20°C flows at an average velocity of 2 m/s
between two smooth parallel ho...
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 Spring '08
 Sakar

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