Engineering Economy (17th Edition)
17th Edition
ISBN: 9780134870069
Author: William G. Sullivan, Elin M. Wicks, C. Patrick Koelling
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Textbook Question
Chapter 6, Problem 20P
Two electric motors (A and B) are being considered to drive a centrifugal pump. Each motor is capable of delivering 50 horsepower (output) to the pumping operation. It is expected that the motors will be in use 1,000 hours per year. If electricity costs $0.07 per kilowatt-hour and 1 hp = 0.746 kW, which motor should be selected if MARR = 8% per year? Refer to the data below (6.4)
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
An integrated, combined cycle power plant produces 285 MW of electricity by gasifying coal. The capital investment for the plant is $570 million, spread evenly over two years. The operating life of the plant is expected to be 20 years. Additionally, the plant will operate at full capacity 75% of the time (downtime is 25% of any given year). The MARR is 6% per year. Solve, a. If this plant will make a profit of three cents per kilowatt-hour of electricity sold to the power grid, what is the simple payback period of the plant? Is it a low-risk venture? b. What is the IRR for the plant? Is it profitable?
A deep water port for imported liquefied natural gas (LNG) is needed for three years. At the end of the third year, it will cost more to dismantle the LNG facility than it
produces in revenues. The cash flows are estimated as follows:
The IRR for this LNG facility is closest to which choice below?
Choose the closest answer below.
A. The IRR for the LNG facility is 9.5% per year.
B. The IRR for the LNG facility is 4.7% per year.
C. The IRR for the LNG facility is 12.2% per year.
D. The IRR for the LNG facility is 14.6% per year.
EOY
0
1
2
3
Net Cash Flow
- $54 million
44 million
40 million
- 24 million
An industrial coal-fired boiler for process steam is
equipped with a 10-year-old electrostatic precipitator
(ESP). Changes in coal quality have caused stack
emissions to be in noncompliance with federal
standards for particulates. Two mutually exclusive
alternatives have been proposed to rectify this problem
(doing nothing is not an option). The MARR is 9% per
year. Make a recommendation regarding which
alternative to select.
3. An industrial coal-fired boiler for process steam is equipped with a 10-year-old electrostatic
precipitator (ESP). Changes in coal quality have caused stack emissions to be in noncompliance
with federal standards for particulates. Two mutually exclusive alternatives have been proposed
to rectify this problem (doing nothing is not an option).
Capital investment
Annual operating expenses
Useful Life
New Baghouse
$1,140,000
$115,500
10 years
New ESP
$992,500
$73,200
10 years
The MARR is 9% per year. Make a recommendation regarding which alternative to select.
Chapter 6 Solutions
Engineering Economy (17th Edition)
Ch. 6 - An oil refinery finds that it is necessary to...Ch. 6 - The Consolidated Oil Company must install...Ch. 6 - One of the mutually exclusive alternatives below...Ch. 6 - Three mutually exclusive design alternatives are...Ch. 6 - Prob. 5PCh. 6 - Prob. 6PCh. 6 - Fiesta Foundry is considering a new furnace that...Ch. 6 - Prob. 8PCh. 6 - DuPont claims that its synthetic composites will...Ch. 6 - Prob. 10P
Ch. 6 - Which alternative in the table below should be...Ch. 6 - Prob. 12PCh. 6 - The alternatives for an engineering project to...Ch. 6 - Prob. 14PCh. 6 - Prob. 15PCh. 6 - Prob. 16PCh. 6 - Refer to the situation in Problem 6-16. Most...Ch. 6 - An old, heavily used warehouse currently has an...Ch. 6 - Prob. 19PCh. 6 - Two electric motors (A and B) are being considered...Ch. 6 - Two mutually exclusive design alternatives are...Ch. 6 - Pamela recently moved to Celebration, Florida, an...Ch. 6 - Environmentally conscious companies are looking...Ch. 6 - Prob. 24PCh. 6 - Two 100 horsepower motors are being considered for...Ch. 6 - In the Rawhide Company (a leather products...Ch. 6 - Refer to Problem 6-2. Solve this problem using the...Ch. 6 - Prob. 28PCh. 6 - Prob. 29PCh. 6 - Two electric motors are being considered to drive...Ch. 6 - Prob. 31PCh. 6 - Prob. 32PCh. 6 - Prob. 33PCh. 6 - Potable water is in short supply in many...Ch. 6 - Three mutually exclusive investment alternatives...Ch. 6 - Prob. 36PCh. 6 - A companys MARR is 10% per year. Two mutually...Ch. 6 - Prob. 38PCh. 6 - a. Compare the probable part cost from Machine A...Ch. 6 - A one-mile section of a roadway in Florida has...Ch. 6 - Two mutually exclusive alternatives are being...Ch. 6 - Prob. 42PCh. 6 - IBM is considering an environmentally conscious...Ch. 6 - Three mutually exclusive earth-moving pieces of...Ch. 6 - A piece of production equipment is to be replaced...Ch. 6 - Prob. 46PCh. 6 - Prob. 47PCh. 6 - Prob. 48PCh. 6 - Prob. 49PCh. 6 - Prob. 50PCh. 6 - Prob. 51PCh. 6 - Prob. 52PCh. 6 - Prob. 53PCh. 6 - Use the imputed market value technique to...Ch. 6 - Prob. 55PCh. 6 - Prob. 56PCh. 6 - Prob. 57PCh. 6 - Prob. 58PCh. 6 - Prob. 59PCh. 6 - Prob. 60PCh. 6 - Prob. 61PCh. 6 - Prob. 62PCh. 6 - Prob. 63PCh. 6 - Prob. 64PCh. 6 - Prob. 65PCh. 6 - Prob. 66PCh. 6 - Three models of baseball bats will be manufactured...Ch. 6 - Refer to Example 6-3. Re-evaluate the recommended...Ch. 6 - Prob. 69SECh. 6 - Prob. 70SECh. 6 - Prob. 71SECh. 6 - Prob. 72CSCh. 6 - Prob. 73CSCh. 6 - Prob. 74CSCh. 6 - Prob. 75FECh. 6 - Prob. 76FECh. 6 - Prob. 77FECh. 6 - Complete the following analysis of cost...Ch. 6 - Prob. 79FECh. 6 - For the following table, assume a MARR of 10% per...Ch. 6 - Prob. 81FECh. 6 - Problems 6-82 through 6-85. (6.4) Table P6-82 Data...Ch. 6 - Prob. 83FECh. 6 - Problems 6-82 through 6-85. (6.4) Table P6-82 Data...Ch. 6 - Problems 6-82 through 6-85. (6.4) Table P6-82 Data...Ch. 6 - Consider the mutually exclusive alternatives given...Ch. 6 - Prob. 87FE
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, economics and related others by exploring similar questions and additional content below.Similar questions
- If the interest rate is 8% per year, what decision would you make based on the decision tree diagram in the shown Figure ?arrow_forwardA town in Wyoming wants to drill a geothermal well to provide district heating steam and hot water for its businesses and residences. After government subsidies, the capital investment for the well is $418,000, and the geothermal well will reduce natural gas consumption for steam and hot water production by $50,000 per year. The salvage value of the well is negligible. The simple payback period for this well is 9 years. If the MARR of the town is 6% per year and the life of the geothermal well is 25 years, what is the IRR for this project? Choose the closest answer below. OA. The IRR for the project is 12.1% per year. OB. The IRR for the project is 8.3% per year. OC. The IRR for the project is 13% per year. OD. The IRR for the project is 11.1% per year. CXXarrow_forwardA town in Wyoming wants to drill a geothermal well to provide district heating steam and hot water for its businesses and residences. After government subsidies, the capital investment for the well is $732,000, and the geothermal well will reduce natural gas consumption for steam and hot water production by $60,000 per year. The salvage value of the well is negligible. The simple payback period for this well is 13 years. If the MARR of the town is 5% per year and the life of the geothermal well is 23 years, what is the IRR for this project? Choose the closest answer below. A. The IRR for the project is 6.1% per year. B. The IRR for the project is 7% per year. O C. The IRR for the project is 7.4% per year. O D. The IRR for the project is 3.9% per year.arrow_forward
- fast please!arrow_forwardAdvanced Modular Technology (AMT) makes energy cleaner, safer, more secure and more efficient. It typically exhibits net annual revenues that increase over a fairly long period. In the long run, an AMT project may be profitable as measured by IRR, but its simple payback period may be unacceptable. Evaluate this AMT project using the IRR method when the company MARR is 13% per year and its maximum allowable payback period is two years. What is your recommendation? $98,000 $2,000 + Capital investment at time 0 Net revenues in year k $10,000 • (k- 1) $9,000 Market (salvage) value Life 4 yearsarrow_forwardPlease fast answerarrow_forward
- What is the IRR percentagearrow_forwardAn aerodynamic three-wheeled automobile (the Dart) runs on compressed natural gas stored in two cylinders in the rear of the vehicle. The $13,000 Dart can cruise at speeds up to 85 miles per hour, and it can travel 90 miles per gallon of fuel. Another two-seater automobile costs $12,000 and averages 50 miles per gallon of compressed natural gas. If fuel costs $8.00 per gallon and MARR is 10% per year, over what range of annual miles driven is the Dart more economical? Assume a useful life of six years for both cars. Click the icon to view the interest and annuity table for discrete compounding when the MARR is 10% per year. ... Dart is more economical if you are planning on driving more per year. (Round to the nearest whole number.) miles orarrow_forward← An oil refinery finds that it is necessary to treat the waste liquids from a new process before discharging them into a stream. The treatment will cost $40,000 the first year, but process improvements will allow the costs to decline by $4,000 each year. As an alternative, an outside company will process the wastes for the fixed price of $20,000/year throughout the 8 year period, payable at the beginning of each year. Either way, there is no need to treat the wastes after 8 years. Use the annual worth method to determine how the wastes should be processed. The company's MARR is 13%. Click the icon to view the interest and annuity table for discrete compounding when the MARR is 13% per year. wwwarrow_forward
- Please do not give solution in image formate thanku. Biomet Implants is planning new online patient diagnostics for surgeons while they operate. The new system will cost $300,000 to install in an operating room, $5000 annually for maintenance, and have an expected life of 10 years. The revenue per system is estimated to be $80,000 in year 1 and to increase by $10,000 per year through year 10. a) Determine NPV to see if the project is economically justified using PW analysis and an MARR of 10% per year. b) Insert a Triangle distribution with minimum at $8000, average 10,000 and maximum at 12000 as the input distribution for the revenue increase. Perform Monte Carlo Simulation and discuss the results.arrow_forwardNadine Chelesvig has patented her invention. She is offering a potential manufacturer two contracts for the exclusive right to manufacture and market her product. Plan A calls for an immediate single lump sum payment to her of $200,000. Plan B calls for an annual payment of $16,000 plus a royalty of $0.60 per unit sold. The remaining life of the patent is 10 years. Nadine uses a MARR of 10%/year. What must be the uniform annual sales volume of the product for Nadine to be indifferent between the contracts, based on an annual worth analysis? unitsarrow_forwardCapital Investment Annual Revenues Annual Expenses MV at end of useful life Useful Life IRR Alternative 1 $16,000 $7,000 $2,400 $1,600 4 years 9.1% Alternative 2 $23,000 $13,000 $5,000 $600 12 years 33.7% □arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Principles of Economics (12th Edition)EconomicsISBN:9780134078779Author:Karl E. Case, Ray C. Fair, Sharon E. OsterPublisher:PEARSONEngineering Economy (17th Edition)EconomicsISBN:9780134870069Author:William G. Sullivan, Elin M. Wicks, C. Patrick KoellingPublisher:PEARSON
- Principles of Economics (MindTap Course List)EconomicsISBN:9781305585126Author:N. Gregory MankiwPublisher:Cengage LearningManagerial Economics: A Problem Solving ApproachEconomicsISBN:9781337106665Author:Luke M. Froeb, Brian T. McCann, Michael R. Ward, Mike ShorPublisher:Cengage LearningManagerial Economics & Business Strategy (Mcgraw-...EconomicsISBN:9781259290619Author:Michael Baye, Jeff PrincePublisher:McGraw-Hill Education
Principles of Economics (12th Edition)
Economics
ISBN:9780134078779
Author:Karl E. Case, Ray C. Fair, Sharon E. Oster
Publisher:PEARSON
Engineering Economy (17th Edition)
Economics
ISBN:9780134870069
Author:William G. Sullivan, Elin M. Wicks, C. Patrick Koelling
Publisher:PEARSON
Principles of Economics (MindTap Course List)
Economics
ISBN:9781305585126
Author:N. Gregory Mankiw
Publisher:Cengage Learning
Managerial Economics: A Problem Solving Approach
Economics
ISBN:9781337106665
Author:Luke M. Froeb, Brian T. McCann, Michael R. Ward, Mike Shor
Publisher:Cengage Learning
Managerial Economics & Business Strategy (Mcgraw-...
Economics
ISBN:9781259290619
Author:Michael Baye, Jeff Prince
Publisher:McGraw-Hill Education
Difference between Renewable and Nonrenewable Resources; Author: MooMooMath and Science;https://www.youtube.com/watch?v=PLBK1ux5b7U;License: Standard Youtube License