Question: 7. (10 points) The data set below shows the service life for 30 identical bearings operating under identical conditions. How does this information justify
7. (10 points) The data set below shows the service life for 30 identical bearings operating under identical conditions. How does this information justify the use of either time-based or condition-based maintenance? 300 250 200 150 Revolutions (millions of Reva) 100 50- 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Bearing Number Figure 2. Bearing Life Scatter Credit: Ball and Roller Bearings: Theory, Design and Application, 3rd Edition Eschmann, et al John Wiley & Sons. 1999
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