Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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Question
The purchased cost of a shell - and - tube heat exchanger (floating head and carbon - steel
tube ) with 100 ft? of heating surface was $ 3,500 in 2000. What will be purchased cost of a
similar heat exchanger with 280 N of heating surface in 2009 if the purchased - cost- capacity
exponent is 0.60 for surface area ranging from 100 to 400 ft? . If the purchased- cost-capacity
exponent for this type of exchanger is 0.81 for surface area ranging from 400 to 2000 ft?, what
will be the purchased cost of a heat exchanger with 800 N of heating surface in 2000 ?
Marshall and swift equipment- cost index(all industry)( 2000 560) ( 2009 790)
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