Situation 7 The head loss of a cast iron pipe 900m long is 4m. Compute the diameter of pipe if it carries a discharge of 0.8m³/s using: 26. Darcy formula, f=0.018 A. 0.875 m B. 0.695 m 27. Manning's equation, n=0.014 A. 0.845 m B. 0.694 m 28. Hazen's formula, C-130 0.860 m 0.760 m A. B. C. 0.735 m D. 0.925 m C. D. A. B. 0.735 m 0.794 m C. 0.730 m D. 0.710 m 29. A 3 m diameter pipeline of length 2500 m conveys water between reservoirs at the rate of 10m/s. What must be the difference in water surface elevation between the two reservoirs, in meters? Neglect minor loss. Coefficient of friction is 0.018. A. 1.53 m B. C. 1.67 m D. 2.33 m 2.65 m 30. If the velocity head at a velocity V₁ at one point of a pipe is 5.2m, what is the velocity head in meter at that point if the velocity is twice that of V₁? 20.8 m 12.2 m C. D. 12.8 m 20.2 m

Structural Analysis
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Chapter2: Loads On Structures
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solve problem 29 and 30

Situation 7
The head loss of a cast iron pipe 900m long is 4m. Compute the diameter of pipe if it carries a discharge of
0.8m³/s using:
26. Darcy formula, f=0.018
0.875 m
0.695 m
A.
B.
27. Manning's equation, n=0.014
0.845 m
0.694 m
28. Hazen's formula, C=130
A. 0.860 m
B.
0.760 m
A.
B.
C. 0.735 m
D.
0.925 m
C.
D.
0.735 m
0.794 m
C.
0.730 m
D. 0.710 m
29. A 3 m diameter pipeline of length 2500 m conveys water between reservoirs at the rate of 10m/s.
What must be the difference in water surface elevation between the two reservoirs, in meters?
Neglect minor loss. Coefficient of friction is 0.018.
A. 1.53 m
2.65 m
C. 1.67 m
D. 2.33 m
B.
30. If the velocity head at a velocity V₁ at one point of a pipe is 5.2m, what is the velocity head in meter
at that point if the velocity is twice that of V₁?
A.
20.8 m
B.
12.2 m
C. 12.8 m
D. 20.2 m
Transcribed Image Text:Situation 7 The head loss of a cast iron pipe 900m long is 4m. Compute the diameter of pipe if it carries a discharge of 0.8m³/s using: 26. Darcy formula, f=0.018 0.875 m 0.695 m A. B. 27. Manning's equation, n=0.014 0.845 m 0.694 m 28. Hazen's formula, C=130 A. 0.860 m B. 0.760 m A. B. C. 0.735 m D. 0.925 m C. D. 0.735 m 0.794 m C. 0.730 m D. 0.710 m 29. A 3 m diameter pipeline of length 2500 m conveys water between reservoirs at the rate of 10m/s. What must be the difference in water surface elevation between the two reservoirs, in meters? Neglect minor loss. Coefficient of friction is 0.018. A. 1.53 m 2.65 m C. 1.67 m D. 2.33 m B. 30. If the velocity head at a velocity V₁ at one point of a pipe is 5.2m, what is the velocity head in meter at that point if the velocity is twice that of V₁? A. 20.8 m B. 12.2 m C. 12.8 m D. 20.2 m
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