Compare the stainless steel and carbon steel pumps in Example 10.7 using the EAOC method.

Example 10.7

During the design of a new project, a decision must be made regarding which type of pump should be used for a corrosive service. The options are as follows:

Assume a discount rate of 8% p.a.

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Carbon steel pump Stainless steel pump Capital Cost $8000 $16,000 Operating Cost (per year) $1800 $1600 Equipment Life (years) 4 7