Solid Waste Engineering
3rd Edition
ISBN: 9781305635203
Author: Worrell, William A.
Publisher: Cengage Learning,
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Chapter 7, Problem 7.13P
To determine
The method by which a bomb calorimeter is used to measure the heating value of a sample of refuse derived fuel (RDF).
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1.2 m
BX B
70 kN.m
y = 16 kN/m³
c' = 0
6'-30°
Water table
Ysat
19 kN/m³
c' 0
&' = 30°
A square foundation is shown in the figure above. Use FS = 6, and determine the size of the foundation. Use the Prakash and Saran theory (see equation and figures below). Suppose that F =
450 kN.
Qu
= BL
BL[c′Nc(e)Fcs(e) + qNg(e)Fcs(e) + ·
1
YBN(e) F
2
7(e) Fra(e)]
(Enter your answer to two significant figures.)
B:
m
Na(e)
60
40-
20-
e/B=0
0.1
0.2
0.3
.0.4
0
0
10
20
30
40
Friction angle, ' (deg)
Figure 1 Variation of Na(e) with o'
Ny(e)
60
40
20
e/B=0
0.3
0.1
0.2
0.4
0
0
10
20
30
40
Friction angle, ' (deg)
Figure 2 Variation of Nye) with o'
K/S
46. (O
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Chapter 7 Solutions
Solid Waste Engineering
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- 7.60 This abrupt expansion is to be used to dissipate the high-energy flow of water in the 5-ft-diameter penstock. Assume α = 1.0 at all locations. a. What power (in horsepower) is lost through the expansion? b. If the pressure at section 1 is 5 psig, what is the pressure at section 2? c. What force is needed to hold the expansion in place? 5 ft V = 25 ft/s Problem 7.60 (2) 10 ftarrow_forward7.69 Assume that the head loss in the pipe is given by h₁ = 0.014(L/D) (V²/2g), where L is the length of pipe and D is the pipe diameter. Assume α = 1.0 at all locations. a. Determine the discharge of water through this system. b. Draw the HGL and the EGL for the system. c. Locate the point of maximum pressure. d. Locate the point of minimum pressure. e. Calculate the maximum and minimum pressures in the system. Elevation 100 m Water T = 10°C L = 100 m D = 60 cm Elevation 95 m Elevation 100 m L = 400 m D = 60 cm Elevation = 30 m Nozzle 30 cm diameter jet Problem 7.69arrow_forwardA rectangular flume of planed timber (n=0.012) slopes 0.5 ft per 1000 ft. (i)Compute the discharge if the width is 7 ft and the depth of water is 3.5 ft. (ii) What would be thedischarge if the width were 3.5 ft and depth of water is 7 ft? (iii) Which of the two forms wouldhave greater capacity and which would require less lumber?arrow_forward
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