Mathematics · Industrial Engineering
Total Productive Maintenance (TPM) is being implemented in a bank's Data Centre to maximize the availability of its core banking systems. The TPM philosophy uses Overall Equipment Effectiveness (OEE) as a key performance indicator. If a server rack, which operates for 20 hours a day (Planned Production Time), experienced 1 hour of breakdown (Downtime) and ran at 90% of its optimal speed (Performance Rate), but only 80% of the transactions processed were error-free (Quality Rate), what is the effective Availability Rate component of the OEE calculation?
- 1The Availability Rate is 95%, calculated by multiplying the Performance Rate and the Quality Rate.
- 2The Availability Rate is 85%, calculated after adjusting for the quality losses.
- 3The Availability Rate is 90%, calculated by considering the speed factor after downtime.
- 4The Availability Rate is 95%, calculated based on the ratio of actual operating time to planned operating time.✓
Correct answer
The Availability Rate is 95%, calculated based on the ratio of actual operating time to planned operating time.
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