The activated sludge unit of a wastewater treatment plant requires an aerator. Two options exist and have the characteristics shown in the table. The city owner of the treatment plant sets an interest rate of 9%. Analysis period is 10 years. Determine which aerator to purchase. Initial cost Annual operating cost Annual Benefit Lifetime (years) Question 1: Incremental benefit-cost ratio analysis Aerator 1 462000 answer 55000 150000 10 APWC, APWB, Choose 1 or 2 (0 for none or 3 for both)? = percision guide: [0.000, 0.000, integer] [[ ]] • ? Aerator 2 207000 23000 100000 5
The activated sludge unit of a wastewater treatment plant requires an aerator. Two options exist and have the characteristics shown in the table. The city owner of the treatment plant sets an interest rate of 9%. Analysis period is 10 years. Determine which aerator to purchase. Initial cost Annual operating cost Annual Benefit Lifetime (years) Question 1: Incremental benefit-cost ratio analysis Aerator 1 462000 answer 55000 150000 10 APWC, APWB, Choose 1 or 2 (0 for none or 3 for both)? = percision guide: [0.000, 0.000, integer] [[ ]] • ? Aerator 2 207000 23000 100000 5
Solid Waste Engineering
3rd Edition
ISBN:9781305635203
Author:Worrell, William A.
Publisher:Worrell, William A.
Chapter9: Toward Integrated Resources Management—environmental, Political, And Economic Issues
Section: Chapter Questions
Problem 9.14P
Related questions
Question
![The activated sludge unit of a wastewater treatment plant requires an aerator. Two options exist and have
the characteristics shown in the table. The city owner of the treatment plant sets an interest rate of 9%.
Analysis period is 10 years. Determine which aerator to purchase.
Initial cost
Annual operating cost
Annual Benefit
Lifetime (years)
Question 1: Incremental benefit-cost ratio analysis
APWC, APWB, Choose 1 or 2 (0 for none or 3 for both)? =
percision guide: [0.000, 0.000, integer]
[[
answer
Aerator 1
462000
55000
150000
10
]
?
Aerator 2
207000
23000
100000
5](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd3cbc24b-9e44-44df-8caa-62d64be0fd0f%2F0906277f-bf4a-4680-a508-3008cf618df5%2Fjzvrng_processed.png&w=3840&q=75)
Transcribed Image Text:The activated sludge unit of a wastewater treatment plant requires an aerator. Two options exist and have
the characteristics shown in the table. The city owner of the treatment plant sets an interest rate of 9%.
Analysis period is 10 years. Determine which aerator to purchase.
Initial cost
Annual operating cost
Annual Benefit
Lifetime (years)
Question 1: Incremental benefit-cost ratio analysis
APWC, APWB, Choose 1 or 2 (0 for none or 3 for both)? =
percision guide: [0.000, 0.000, integer]
[[
answer
Aerator 1
462000
55000
150000
10
]
?
Aerator 2
207000
23000
100000
5
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 4 steps with 18 images
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.Recommended textbooks for you
Solid Waste Engineering
Civil Engineering
ISBN:
9781305635203
Author:
Worrell, William A.
Publisher:
Cengage Learning,
Fundamentals Of Construction Estimating
Civil Engineering
ISBN:
9781337399395
Author:
Pratt, David J.
Publisher:
Cengage,
Engineering Fundamentals: An Introduction to Engi…
Civil Engineering
ISBN:
9781305084766
Author:
Saeed Moaveni
Publisher:
Cengage Learning
Solid Waste Engineering
Civil Engineering
ISBN:
9781305635203
Author:
Worrell, William A.
Publisher:
Cengage Learning,
Fundamentals Of Construction Estimating
Civil Engineering
ISBN:
9781337399395
Author:
Pratt, David J.
Publisher:
Cengage,
Engineering Fundamentals: An Introduction to Engi…
Civil Engineering
ISBN:
9781305084766
Author:
Saeed Moaveni
Publisher:
Cengage Learning
Construction Materials, Methods and Techniques (M…
Civil Engineering
ISBN:
9781305086272
Author:
William P. Spence, Eva Kultermann
Publisher:
Cengage Learning
Traffic and Highway Engineering
Civil Engineering
ISBN:
9781305156241
Author:
Garber, Nicholas J.
Publisher:
Cengage Learning
Residential Construction Academy: House Wiring (M…
Civil Engineering
ISBN:
9781285852225
Author:
Gregory W Fletcher
Publisher:
Cengage Learning