A system is operated for 20,000 hours and the demonstrated MTBF was 500 hours. For each...
A system is operated for 20,000 hours and the demonstrated MTBF was 500 hours. For each maintenance action, two technicians were assigned to accomplish corrective maintenance and the Mct was 2 hours. Determine MLH / OH expended.
Homework Answers
T=20000
MTBF=500
ML Hc=2
λ=1/MTBF
λ=1/500
λ=0.002
ML Hc=(∑λ)(ML Hi)/∑λ
ML Hc is the mean corrective maintenace
ML Hi=is the maintenance labour−hours
2=(0.002)(MLHi)/0.002
ML Hi=2hours
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