Two reservoirs are connected with two plastic pipes (mounted in series) of different diameters. The first pipe has a length of 200 m and a diameter of 20 cm. The second pipe is 150 m long and its diameter is 15 cm (see Figure P3). The volumetric flow rate is 0.04 m³ /s and the gate valve is fully open. The water flows from the upper reservoir into the pipe through a re-entrant entrance. For the lower reservoir, the water leaves the pipe through a slightly rounded exit. Determine the height, z, of the upper reservoir (in m).

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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Two reservoirs are connected with two plastic pipes (mounted in series) of different diameters.
The first pipe has a length of 200 m and a diameter of 20 cm. The second pipe is 150 m long
and its diameter is 15 cm (see Figure P3). The volumetric flow rate is 0.04 m³ /s and the gate
valve is fully open. The water flows from the upper reservoir into the pipe through a re-entrant
entrance. For the lower reservoir, the water leaves the pipe through a slightly rounded exit.
Determine the height, z, of the upper reservoir (in m).
(2)
z = ?-
Gate valve
z = 175 m
L = 200 m
D = 20 cm
L = 150 m
D = 15 cm
Transcribed Image Text:Two reservoirs are connected with two plastic pipes (mounted in series) of different diameters. The first pipe has a length of 200 m and a diameter of 20 cm. The second pipe is 150 m long and its diameter is 15 cm (see Figure P3). The volumetric flow rate is 0.04 m³ /s and the gate valve is fully open. The water flows from the upper reservoir into the pipe through a re-entrant entrance. For the lower reservoir, the water leaves the pipe through a slightly rounded exit. Determine the height, z, of the upper reservoir (in m). (2) z = ?- Gate valve z = 175 m L = 200 m D = 20 cm L = 150 m D = 15 cm
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