Three pipes 300m long; 30cm diameter, 150m long; 20cm diameter and 200m long; 25cm diameter are connected in series in the same order. Pipe having 30cm diameter is connected to reservoir. Water level in the reservoir is 15m above the pipe axis which is horizontal. The respective friction factors for three pipes are 0.018, 0.02 and 0.019. Neglect minor losses. If the three pipes are replaced by a single pipe of friction fuctor 0.016 to give the same discharge, the diameter of the pipe would be, (cm).

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Three pipes 300m long; 30cm diameter, 150m long; 20cm diameter and 200m long; 25cm
diameter are connected in series in the same order. Pipe having 30cm diameter is connected to
reservoir. Water level in the reservoir is 15m above the pipe axis which is horizontal. The
respective friction factors for three pipes are 0.018, 0.02 and 0.019. Neglect minor losses.
If the three pipes are replaced by a single pipe of friction factor 0.016 to give the same
discharge, the diameter of the pipe would be
(cm).
Transcribed Image Text:Three pipes 300m long; 30cm diameter, 150m long; 20cm diameter and 200m long; 25cm diameter are connected in series in the same order. Pipe having 30cm diameter is connected to reservoir. Water level in the reservoir is 15m above the pipe axis which is horizontal. The respective friction factors for three pipes are 0.018, 0.02 and 0.019. Neglect minor losses. If the three pipes are replaced by a single pipe of friction factor 0.016 to give the same discharge, the diameter of the pipe would be (cm).
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