ASQ
CRE · Question #360
CRE Question #360: Real Exam Question with Answer & Explanation
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Question
For a company operating multiple units of production equipment, the observed failure rate is 42 x 10-6 failures per operating hour, and the preventive maintenance rate is 320 x 10-6 actions per hour. What is the mean time between corrective and preventive maintenance (MTBM)?
Options
- A2,688.2 hr.
- B2,762.4 hr
- C2,840.9 hr
- D26,935.0 hr
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