Solid Waste Engineering
3rd Edition
ISBN: 9781305888357
Author: Worrell
Publisher: Cengage
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Chapter 1, Problem 1.12P
. What is the content of recycled fiber in the paper used by your school/college/ department? If recycled paper costs more than virgin fiber paper, should your school purchase it?
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1. What is the weight of each block shown below in pounds?
A) 2’x2’x10’
Steel Bar
w=490lb/ft^3
B) 5’x4’x3’
Concrete Block
w=150lb/ft^3
A) 3’x10’x2’
Wood block
w=50lb/ft^3
2.The 6” thick, 20’x25’ concrete slab weights 150lbs/ft^3 and has an area load of 50lbs/ft^2 (psf). What is the total load of the floor?
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