ASQ
CRE · Question #308
If the average repair time for a system is 3 hours and the MTBMA is 122 hours, what is the operational availability?
The correct answer is A. 0.975. See the full explanation below for the reasoning.
Maintainability and Availability
Question
If the average repair time for a system is 3 hours and the MTBMA is 122 hours, what is the operational availability?
Options
- A0.975
- B0.976
- C0.982
- D0.997
How the community answered
(23 responses)- A70% (16)
- B17% (4)
- C9% (2)
- D4% (1)
Topics
#operational availability#MTTR#MTBMA#availability calculation
Community Discussion
No community discussion yet for this question.