Question: Wrong Answer Will get Dislike. 9.12. Preventive maintenance can be justified as cost effective when: a. The system life is determined by MTTF b. A
Wrong Answer Will get Dislike.

9.12. Preventive maintenance can be justified as cost effective when: a. The system life is determined by MTTF b. A complex system consisting of many components is involved c. The system is in a constant failure mode d. The corrective maintenance cost can be significantly reduced
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