Question: A smooth pipe containing ethanol at 20C flows at 7 m3/h through a Bernoulli obstruction, as in Fig. P6.148. Three piezometer tubes are installed, as

A smooth pipe containing ethanol at 20°C flows at 7 m3/h through a Bernoulli obstruction, as in Fig. P6.148. Three piezometer tubes are installed, as shown. If the obstruction is a thin-plate orifice, estimate the piezometer levels (a) h2 and (b) h3.

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