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| Q.59 | With respect to reliability of the system, the ratio of total number of operational hours to total number of assets in use is called _______. | |
| Ans | 1. MTTR (Mean Time to Recovery, Repair, Respond, or Resolve) | |
| 2. MTTA (Mean Time to Acknowledge) | ||
| 3. MTTF (Mean Time to Failure) | ||
| 4. MTBF (Mean Time Between Failure) |
Correct Ans: 3
