Question: 5.) A security system timer controls lights and other electrical component parts. The MTBF for the timeis advertised to be 10 months. When should the
5.) A security system timer controls lights and other electrical component parts. The MTBF for the timeis advertised to be 10 months. When should the operatorand/or the maintenance associateconsider replacing the timer ? What is the Availability if the MTTR is 15 hours ? Is the Availability good enough ?
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