ASQ
CRE · Question #80
Develop the fault tree analysis for a candy dispensing machine. There are two contributing subsystems, both of them must fail for the system to fail. The electronic release has Pf = 0.04 and the…
The correct answer is D. 0.0024. See the full explanation below for the reasoning.
System Reliability
Question
Develop the fault tree analysis for a candy dispensing machine. There are two contributing subsystems, both of them must fail for the system to fail. The electronic release has Pf = 0.04 and the coil spring release has Pf = 0.06. What is the system's probability of failure?
Options
- A0.0124
- B0.0100
- C0.0098
- D0.0024
How the community answered
(34 responses)- A3% (1)
- B6% (2)
- C12% (4)
- D79% (27)
Topics
#fault tree analysis#AND gate#probability of failure#system safety
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