Solid Waste Engineering
3rd Edition
ISBN: 9781305635203
Author: Worrell, William A.
Publisher: Cengage Learning,
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Chapter 1, Problem 1.8P
We often see packaging labeled “made from 100% recycled materials “or Made with recyclable materials. The objective is, of course. ‘to make you (the consumer) believe that the company is environmentally conscious and caring and, thus, to make you buy more of its products.
a. Why are such statements as the ones quoted above potentially misleading? What questions would you want to ask the company to determine if it truly is helping with materials recycling?
b. All things considered, if the statements are true, why ought you buy the company products in prefer. ence to products with no recycled material Be specific.
c. If you were working for the corn. pany, how would you write the statements to be more accurate?
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3 m
35 kN
4m
84 kN
+3m
EA = constant
E = 200 GPa
A
T5
4m
Add
1,200 mm²
Find Horizontal and vertical displacement at B
4 kN
m
m-
B
Determine Vertical displacement at C
Determine the displacement or point B of the steel beam shown in
Take E200 GPa, I = 500(106) mm4.
5 m 2/
40 kN
B
12 kN/m
4 m.
12 kN/m
3 m
B
10 m-
E
constant = 70 GPa
I 554 (10) mm
Determine Displacement at C
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In a floor of an industrial building, boilers are supported symmetrically on secondary
beams A and B, which have a centre-to-centre distance of 5 m and which are in turn
supported by the main beam, which has a span of 9 m (see Fig. 10.62). Design the
main beam given the following data:
S₂ S
S,-40
S,-100
P
S,=40
40
80
80
40
Chapter 1 Solutions
Solid Waste Engineering
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