1. One pump is not enough to pump water to a very high tank. If you...

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Civil Engineering

1. One pump is notenough to pump water to a very high tank. If you use two pumps (toincrease h), how are you going to install them?

(a) in parallel

(b) in series

2. For turbulent flowof all pipes, friction factor (f) depends on:

(a) Reynolds number (Re)only

(b) relative roughness (e/D)only

(c) both Re ande/D

4. For a pumpingsystem, which tends to cause cavitation?

(a) placing the pump close to thesource reservoir to minimize head loss

(b) setting the pump at a higherelevation relative to the reservoir water surface

5. Show the SIdimension and BG unit of specific energy (E)

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