A metallurgical engineer is considering two materials for use in a space vehicle. All estimates are made.

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(a) Which should be selected on the basis of a present worth comparison at an interest rate of 12% per year?

(b) At what first cost for the material not selected above will it become the more economicalternative?

A metallurgical engineer is considering two materials for use in

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Engineering economy

ISBN: 978-0073376301

7th Edition

Authors: Leland Blank, Anthony Tarquin

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Question Posted: Dec 17, 2012 05:41 AM

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A metallurgical engineer is considering two materials for use in a space vehicle. All estimates are made.

Question:

Material X Material Y First cost, $ Maintenance cost, S per year Salvage value, $ Life, years -15,000-35,000 7,000 2.000 20,000

Step by Step Answer:

a PW X 15000 9000PA 12 5 2000PF 12 5 15000 900036048 200005674 46308 ...View the full answer

Engineering economy

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