Задача id10774

A pump with a flow rate of Q = 0.01 m3/s takes water from a well connected to the reservoir by a cast iron pipe with a diameter of d = 150 mm and a length of l = 100 mm (Fig). A mesh is installed at the entrance to the suction pipe. The water temperature in the reservoir is 20°C. Find the difference in water levels dh in the reservoir and well.

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