Solid Waste Engineering
3rd Edition
ISBN: 9781305635203
Author: Worrell, William A.
Publisher: Cengage Learning,
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Question
Chapter 9, Problem 9.9P
To determine
The annual cost of hazardous waste incinerator facility to the community.
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A town with 2,350 residents wants to establish a municipality owned and operated solid waste collection program. They can purchase one of three possible trucks that have the ff. characteristics: Truck A, 18 m^3 capacity Truck B, 15 m^3 capacity Truck C, 12 m^3 capacity If the truck is to collect the refuse for one-fifth of the town each day during a 5-day work week, then every residence will be collected during the week, and the truck will have to make only one trip per day to the landfill. Which truck or trucks will have sufficient capacity. Assume a rate of 1.75 kg/capita/d. Assume that the truck is able to compact the refuse to 350 kg/ m^3
What is the total tonnage of solid waste to be collected/wk? What is the total weight of waste to be collected everyday? What is the required truck capacity in cubic meters? Which truck should be bought?
A town with 2,350 residents wants to establish a municipality owned and
operated solid waste( garbage) collection program. They can purchase
one of three possible trucks that have the ff. characteristics: Truck A, 18
m3 capacity Truck B, 15 m3 capacity Truck C, 12 m3 capacity If the truck
is to collect the refuse for one-fifth of the town each day during a 5-day
work week, then every residence will be collected during the week, and
the truck will have to make only one trip per day to the landfill. Which
truck or trucks will have sufficient capacity. Assume a rate of 1.75
kg/capitald. Assume that the truck is able to compact the refuse to 350
kg/ m3 *
14.1 5,757.5 4,935 24,675 28.787 5 Truck Truck Truck
16.45
A
B
What is the
total tonnage
of solid
waste to be
collected/wk?
What is the
total weight
of waste to
be collected
everyday?
What is the
required truck
сарacity in
cubic
meters?
Which truck
ооо о о о о
should be
bought ?
CleanTech manufactures equipment to mitigate the
environmental effects of waste.
2-6
A
(a) If Product A has fixed expenses of $15,000 per
year and each unit of product has a $0.20 vari-
able cost, and Product B has fixed expenses of
$5000 per year and a $0.50 variable cost, at what
number of units of annual production will A have
the same overall cost as B?
(b) As a manager at CleanTech what other data
would you need to evaluate these two products?
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