Question: 2 . 7 9 - To improve crack detection in aircraft, the U . S . Air Force combined ultrasonic inspection procedures with laser heating
To improve crack detection in aircraft, the US Air Force combined ultrasonic inspection procedures with laser heating to identify fatigue cracks. Early detection of cracks may reduce repair costs by an estimated $ per year. If the savings start now and continue through year determine the equivalent future worth in year of these savings at an interest rate of per year.
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