SOLUTIONS TO EXERCISES, LESSON 5
1.
354 gpm (table 5-2c(1. 22,889 gpm Q = .85 AV
2.
22,889 gpm Q = .85 AV
A = 10 ft + x 3 ft = 30 ft 2ft2
60 ft
___________
= (.85) (30 ft2) (2 ft/sec) V =
= 2 ft/sec.
30
= 51 ft3
sec.
= 51 X 7.48 gal X 60 sec = 22,888.8 (para 5-2c(2))
3.
126 gpm (figure 5-2 or table 5-1)
436.55
2.83 X (2.07) X 36=
= 126 gpm
(1 (12) 1/2)
3.464
4.
6,294 gpm
1' x .5'
= 0.25 ft2
A1 =
2
A2 = l' x .5'= 5.00 ft2
l' X .5' = 0.25 ft2
A3 =
2
A = 5.5 ft3
Q = .85 AV
= .85 x 5.5 ft2 x 3 ft/sec
= 14.025 ft3/sec x 448.8 = 6294.41 gpm. (para 5-2)
5.
24,437,160 gal
5 acres X 43,560 ft2/acre = 217,800 ft2
217,800 ft2 X 15 ft = 3,267,000 ft3
3,267,000 ft3 X 7.48 gal/ft3 = 24,437,160 gal. (para 5-2a)
MD0160
5-50