For the figure shown below water flows from Reservoir A with

For the figure shown below, water flows from Reservoir A, with a water surface elevation of 1,675 feet to reservoir D, with water surface elevation of 1,200 feet through a 30-inch pipe that branch into 3 pipes of 12, 10, and 14 inch diameters respectively, then back to a 30-inch pipe.   The pipe information is listed for the 3 pipes between B and C, color coded to match the pipes. What is the flow rate in the upper (green on figure) pipe?

a.20 cfs

b.42 cfs

c.69 cfs

d.92 cfs

(Based on the options stated above what is the correct answer?)

A-B1,050 Li = 1.750. L, . Main 0273 024 = .022 02 1.200. El. 1,675 ft L31,550 LC-D 1 , 1 00. El. 1.200 ft DMan 30\" D 12\" Main D2 10\" D 14

Solution

69 cfs