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Question: the primary water supply is reservoir 1 located at the...

Question details

The primary water supply is Reservoir 1, located at the top of a hill. Reservoir 1 has a large volume and there is a concrete gravity dam (Dam 1) at one end. Reservoir 1 drains via a branched pipeline into Reservoirs 2 and 3, with valves to direct the flow into each reservoir as required.

arameter

Symbol

Value

Units

Height of dam

HDam

11

m

Height of water above middle of Pipe A

H

10

m

Height to middle of Pipe A from the datum

Z1

150

m

Height to middle of Pipe B from the datum

Z2

50

m

Height to edge of Pipe C from the datum

Z3

0

m

Assume that Valve C is closed due to planned maintenance activities in Pipe C.  Therefore, water flows only through Pipe A and Pipe B.

Determine the velocity at the end of Pipe B assuming no energy losses and the Reservoir 1 water level remains at 10 m above the inlet of Pipe A.

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