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Q1 - Determine the pipe friction factor for flow of water through a 1m diameter old PVC pipe at an average velocity of 1.5 m/s with an equivalent sand grain roughness of 2 mm. State assumptions made and provide any charts used to arrive at the calculations.
Q2 - A pipe reducer has dimensions of 300mm and 150mm at inlet and outlet. Find the force required to hold this in position if the pressure at the smaller exit end is 250 kPa for a discharge of 200 litres/sec. State assumptions made and provide diagram.
Q3 - Using the following pump characteristics, construct a Q-H and efficiency curve and determine how much power is required to drive the pump when Q = 0.08 m3/s.
e (%)
H(m)
Q (m3/s)
0
56
0.000
25
55
0.010
45
54
0.020
60
52
0.030
64
49
0.040
62
42
0.050
48
34
0.060
32
20
0.070
18
8
0.080
Verified Expert
There were 3 numerical.I have done them. The necessary diagrams have been included.Relevant formula and calculations have been mentioned.
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