nerdexam
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)
  • A
    3% (1)
  • B
    6% (2)
  • C
    12% (4)
  • D
    79% (27)

Topics

#fault tree analysis#AND gate#probability of failure#system safety

Community Discussion

No community discussion yet for this question.

Full CRE Practice