2. In general, NDI is a critical component in the maintenance of heavy machinery. Therefore, it should be included in the overall design. (T/F) 3. Fatigue is an important failure mode in (a) static components (b) Rotating components (c) Vibrating components (d) All the above 4. Failures can occur: Even if the design is flawed as long as inspection and/or repair are properly performed (T/F) Support your answer with an example from the case studies in the first or any chapter