A chemical engineer is considering two styles of pipes for moving distillate from a refinery to the tank farm. A small pipeline will cost less to purchase (including valves and other appurtenances) but will have a high head loss and, therefore, a higher pumping cost. The small pipeline has an initial investment cost of $10,000 and the operating cost on the pipeline for 5 years. The operating cost averages are steady at $500 per year for the first 3 years, and will be $700 in year 4, $900 in year 5. A large-diameter pipeline has an initial investment cost of $8,500, but its annual operating cost is not known. If your company would like to choose a large- diameter pipeline due to the practical use and various factors, what is the maximum operating cost average of a large-diameter pipeline in each year? (At an interest rate of 10%) Assume The salvage value is 20% of the first cost for a small pipeline at the end of the 5- year period. The salvage value is 11% of the first cost for a large-diameter pipeline at the end of the 5-year period.

ENGR.ECONOMIC ANALYSIS
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Chapter1: Making Economics Decisions
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A chemical engineer is considering two styles of pipes for moving distillate from a
refinery to the tank farm. A small pipeline will cost less to purchase (including
valves and other appurtenances) but will have a high head loss and, therefore, a
higher pumping cost. The small pipeline has an initial investment cost of $10,000
and the operating cost on the pipeline for 5 years. The operating cost averages
are steady at $500 per year for the first 3 years, and will be $700 in year 4, $900
in year 5. A large-diameter pipeline has an initial investment cost of $8,500, but its
annual operating cost is not known. If your company would like to choose a large-
diameter pipeline due to the practical use and various factors, what is the
maximum operating cost average of a large-diameter pipeline in each year? (At an
interest rate of 10%)
Assume
The salvage value is 20% of the first cost for a small pipeline at the end of the 5-
year period.
The salvage value is 11% of the first cost for a large-diameter pipeline at the end
of the 5-year period.
Transcribed Image Text:A chemical engineer is considering two styles of pipes for moving distillate from a refinery to the tank farm. A small pipeline will cost less to purchase (including valves and other appurtenances) but will have a high head loss and, therefore, a higher pumping cost. The small pipeline has an initial investment cost of $10,000 and the operating cost on the pipeline for 5 years. The operating cost averages are steady at $500 per year for the first 3 years, and will be $700 in year 4, $900 in year 5. A large-diameter pipeline has an initial investment cost of $8,500, but its annual operating cost is not known. If your company would like to choose a large- diameter pipeline due to the practical use and various factors, what is the maximum operating cost average of a large-diameter pipeline in each year? (At an interest rate of 10%) Assume The salvage value is 20% of the first cost for a small pipeline at the end of the 5- year period. The salvage value is 11% of the first cost for a large-diameter pipeline at the end of the 5-year period.
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