To improve crack detection in military aircraft, theAir
Chapter 2, Problem 2.42(choose chapter or problem)
To improve crack detection in military aircraft, theAir Force combined ultrasonic inspection procedureswith laser heating to identify fatigue cracks.Early detection of cracks may reduce repair costsby as much as $200,000 per year. If the savingsstart at the end of year 1 and increase by 3% eachyear through year 5, calculate the present worth ofthese savings at an interest rate of 10% per year.
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