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Estimate the design life cycle

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An engine health monitoring system consists of a primary unit and a standby unit. The MTTF of the primary unit is 100 operating hours and the MTTF of the standby unit is 333 hour when in operation and 2000 hours while in standby status. Estimate the design life cycle of the system if specifications require a reliability of 0.9. Whats is the system MTTF?

Reference no: EM131089842

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