Basics Of Engineering Economy
2nd Edition
ISBN: 9780073376356
Author: Leland Blank, Anthony Tarquin
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 5, Problem 36APQ
To determine
Calculate the annual worth.
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The initial cost of a packed-bed degassing reactor for removing trihalomethanes from potable water is $84,000. The annual operating cost for power, site maintenance, etc. is $13,000. If the salvage value of the pumps, blowers, and control systems is expected to be $9000 at the end of 10 years, the AW of the packed-bed reactor, at an interest rate of 8% per year, is closest to: (a) $−26,140 (b) $−25,518 (c) $−24,900 (d) $−13,140
A coal-fired plant has upgraded an emission control valve. The modification costs only $8000 and is expected to last 6 years with a $200 salvage value. The maintenance cost is expected to be high at $1700 the first year, increasing by 11% per year thereafter. Determine the present worth of the modification and maintenance cost both by hand calculation using formula and by spreadsheet at an interest rate of 8% per year.
The operating cost for a machine is $40,000 for
year 1 and then it increases by $5,000per year
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Chapter 5 Solutions
Basics Of Engineering Economy
Ch. 5 - Prob. 1PCh. 5 - Prob. 2PCh. 5 - Prob. 3PCh. 5 - Prob. 4PCh. 5 - Prob. 5PCh. 5 - Prob. 6PCh. 5 - Prob. 7PCh. 5 - Prob. 8PCh. 5 - Prob. 9PCh. 5 - Prob. 10P
Ch. 5 - Two machines with the following cost estimates are...Ch. 5 - Prob. 12PCh. 5 - Prob. 13PCh. 5 - Prob. 14PCh. 5 - Prob. 15PCh. 5 - Prob. 16PCh. 5 - Prob. 17PCh. 5 - Prob. 18PCh. 5 - Estimates have been presented to Holly Farms,...Ch. 5 - Prob. 20PCh. 5 - Prob. 21PCh. 5 - Prob. 22PCh. 5 - Prob. 23PCh. 5 - Prob. 24PCh. 5 - Prob. 25PCh. 5 - Prob. 26PCh. 5 - A major repair on the suspension system of Janes...Ch. 5 - Prob. 28PCh. 5 - Prob. 29PCh. 5 - Prob. 30PCh. 5 - Prob. 31PCh. 5 - Prob. 32APQCh. 5 - Prob. 33APQCh. 5 - Prob. 34APQCh. 5 - Prob. 35APQCh. 5 - Prob. 36APQCh. 5 - The AW values of three revenue alternatives are ...Ch. 5 - Prob. 38APQCh. 5 - Prob. 39APQCh. 5 - Use an interest rate of 10% per year. The...Ch. 5 - Prob. 41APQCh. 5 - Prob. 42APQ
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