Water at 60°F flows from a lake through 500 ft of 4- in ID cast iron pipe at a water turbine 250 ft below the surface of the lake. After flowing through the turbine, the water is discharged into the atmosphere through a horizontal 50 ft section of the same pipe.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Draw the diagram. Choose the correct answer and show complete solution. 

Water at 60°F flows from a lake through 500 ft of 4-
in ID cast iron pipe at a water turbine 250 ft below
the surface of the lake. After flowing through the
turbine, the water is discharged into the atmosphere
through a horizontal 50 ft section of the same pipe.
The turbine power output is 10 hp when the water in
the discharge pipe is flowing at 5 ft/s. If the turbine
were by passed, what would be the mass flowrate of
water through the 500 ft of 4in pipe.
45 lb/s
37 lb/s
52 lb/s
29 lb/s
Transcribed Image Text:Water at 60°F flows from a lake through 500 ft of 4- in ID cast iron pipe at a water turbine 250 ft below the surface of the lake. After flowing through the turbine, the water is discharged into the atmosphere through a horizontal 50 ft section of the same pipe. The turbine power output is 10 hp when the water in the discharge pipe is flowing at 5 ft/s. If the turbine were by passed, what would be the mass flowrate of water through the 500 ft of 4in pipe. 45 lb/s 37 lb/s 52 lb/s 29 lb/s
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