Basics Of Engineering Economy
2nd Edition
ISBN: 9780073376356
Author: Leland Blank, Anthony Tarquin
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 6, Problem 17P
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Adams Manufacturing spent $30,000 on a new sterilization conveyor belt, which resulted in a cost savings of $4202 per year. The length of time it should take to recover the investment at 8% per year is closest to: (a) Less than 6 years (b) 7 years (c) 9 years (d) 11 years
A window frame manufacturer is searching for ways to improve revenue from its triple-insulated sliding windows, sold primarily in the far northern areas of the United States. Alternative A is an in- crease in TV and radio marketing. A total of $300,000 spent now is expected to increase revenue by $60,000 per year. Alternative B requires the same investment for enhancements to the in-plant manufacturing process that wil improve the temperature retention properties of the seals around each glass pane. New revenues start slowly for this alternative at an estimated $10,000 the first year, with growth of $15,000 per year as the improved product gains reputation among builders. The MARR is 8% per year and the maximum projection period is 10 years for either alternative.
In a cold storage plant, it is desired to determine whether to use insulation of two inches or three inches thick in insulating the walls of the cold storage warehouse.Heat absorbed through the walls without insulation would cost Php 96 per year per square meter. Two-inch insulation will cost Php 30.40 per square meter and will cut out 89% of the loss. Three-inch insulation will cut out 92% of the loss and will cost Php 65 per square meter. Using a life of 15 years for the insulation with no salvage value and a minimum attractive rate of return of 8%, what thickness of insulation should be used?
Chapter 6 Solutions
Basics Of Engineering Economy
Ch. 6 - Prob. 1PCh. 6 - Prob. 2PCh. 6 - Prob. 3PCh. 6 - Prob. 4PCh. 6 - Prob. 5PCh. 6 - Prob. 6PCh. 6 - Prob. 7PCh. 6 - Prob. 8PCh. 6 - A University of Massachusetts study found that...Ch. 6 - Prob. 10P
Ch. 6 - The Closing the Gaps initiative by the Texas...Ch. 6 - Prob. 12PCh. 6 - Prob. 13PCh. 6 - Prob. 14PCh. 6 - Prob. 15PCh. 6 - Prob. 16PCh. 6 - Prob. 17PCh. 6 - Prob. 18PCh. 6 - Prob. 19PCh. 6 - Prob. 20PCh. 6 - Prob. 21PCh. 6 - Prob. 22PCh. 6 - Prob. 23PCh. 6 - Prob. 24PCh. 6 - Prob. 25PCh. 6 - A company that manufactures rigid shaft couplings...Ch. 6 - For each of the following scenarios, state whether...Ch. 6 - Prob. 28PCh. 6 - Prob. 29PCh. 6 - Prob. 30PCh. 6 - Prob. 31PCh. 6 - Prob. 32PCh. 6 - Prob. 33PCh. 6 - Prob. 34PCh. 6 - Prob. 35PCh. 6 - The four alternatives described below are being...Ch. 6 - Prob. 37PCh. 6 - Prob. 38PCh. 6 - Ashley Foods, Inc. has determined that only one of...Ch. 6 - Five revenue projects are under consideration by...Ch. 6 - Four different machines are under consideration...Ch. 6 - Prob. 42PCh. 6 - Prob. 43PCh. 6 - Prob. 44PCh. 6 - Prob. 45PCh. 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 - Prob. 54PCh. 6 - Prob. 55PCh. 6 - Prob. 56PCh. 6 - Prob. 57PCh. 6 - Prob. 58PCh. 6 - Prob. 59PCh. 6 - Prob. 60APQCh. 6 - Prob. 61APQCh. 6 - Prob. 62APQCh. 6 - Prob. 63APQCh. 6 - Prob. 64APQCh. 6 - Prob. 65APQCh. 6 - Prob. 66APQCh. 6 - Prob. 67APQCh. 6 - Prob. 68APQCh. 6 - Prob. 69APQCh. 6 - Prob. 70APQ
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- In a cold storage plant, it is desired to determine whether to use insulation two inches thick or three inches thick in insulating the walls of the cold storage ware house. Heat absorb through the walls without insulation would cost P96.00 per year per square meter. A two-inch insulation will cost P30.40 per square meter and will cut out 89% of the loss. A three-inch insulation will cut out 92% of the loss and will cost P65.00 per square meter. Using a life 15 years for the insulation with no salvage value and a minimum attractive return of 8%, what thickness of insulation should be used?arrow_forwardEP Electric has identified two new methods to treat its cooling water. Alternative I (for inflow) would treat the raw water with a conventional reverse osmosis system so that the cycles of concentration could be increased from 5 to 20. This will result in water cost savings of $360,000 per year and chemical cost savings of $56,000 per year. The initial cost of the equipment will be $2.3 million with an operating cost of $125,000 per year. Alternative B (for blowdown) will treat the cooling tower blowdown water using a highpressure seawater reverse osmosis system to recover most of the water that is sent to an evaporation pond. This option will result in water savings of $270,000 per year. The cost of the system will be $1.2 million with an operating cost of $105,000 per year. Assuming one of the two methods must be installed, determine which is preferred on the basis of the incremental ROR value using MARR of 5% per year, which is a typically low return expected of government projects.…arrow_forwardLego Group in Bellund, Denmark, manufactures Lego toy construction blocks. The company is considering two methods for producing special-purpose Lego parts. Method 1 will have an initial cost of $460,000, an annual operating cost of $100,000, and a life of 3 years. Method 2 will have an initial cost of $560,000, an operating cost of $90,000 per year, and a 6-year life. Assume 11% salvage values for both methods. Lego uses an MARR of 9% per year. Note:- Do not provide handwritten solution. Maintain accuracy and quality in your answer. Take care of plagiarism. Answer completely. You will get up vote for sure.arrow_forward
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