ASQ
CRE · Question #63
Which of the following is the reason the bathtub curve has an increasing failure rate during the wear-out period?
The correct answer is A. Design, materials and environment determine a limit of useful life. See the full explanation below for the reasoning.
Life Cycle Reliability Engineering
Question
Which of the following is the reason the bathtub curve has an increasing failure rate during the wear-out period?
Options
- ADesign, materials and environment determine a limit of useful life.
- BDesign period does not project results past a predetermined time.
- CSystem effectiveness decreases rapidly at this stage.
- DProbability of failure is related to external factors that increase over time.
How the community answered
(21 responses)- A71% (15)
- B5% (1)
- C14% (3)
- D10% (2)
Topics
#bathtub curve#wear-out period#failure rate#useful life
Community Discussion
No community discussion yet for this question.