ASQ
CRE · Question #12
A satellite has two redundant control systems, each has a failure rate (lambda) = 1?0 -6 failures/hour. If one of the systems fails, the failure rate for the remaining system increases to 2?0 -5…
The correct answer is B. 0.7796. You've hit your session limit · resets 10:20pm (America/New_York)
System Reliability
Question
A satellite has two redundant control systems, each has a failure rate (lambda) = 1?0 -6 failures/hour. If one of the systems fails, the failure rate for the remaining system increases to 2?0 -5 failures/hour. What is the reliability of the redundant control systems at 175,000 hours?
Options
- A0.8609
- B0.7796
- C0.690
- D0.2507
How the community answered
(63 responses)- A5% (3)
- B83% (52)
- C3% (2)
- D10% (6)
Explanation
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Topics
#warm standby redundancy#failure rate#reliability calculation#dependent failure
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