CRE試験無料問題集「ASQ Certified Reliability Engineer (CRE) 認定」

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トータル 456 問
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Your company has just installed a new computer data entry system and you must determine the new input error rates. Management requires you to report the error rate within 0.5%, at a 95% confidence level.
What sample size do you need if the population standard deviation is 1.2%?
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A standard parts program is likely to have which of the following positive and negative effects?

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With respect to calculating a mission reliability, the time of the operating mission is:
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According to Taguchi, robustly designed experiments should employ all of the following techniques EXCEPT Response:

Failure occur on a system at 75, 79, 83, 85 hours. Assuming normality, one sided and unbiased the lower tolerance limit for 95% reliability with 90% confidence for this sample is:
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Which of the following are the MOST desirable basic skills required of a reliability engineer assigned to a cross-functional product team?
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A fault tree analysis (FTA) is a design analysis technique constructed from a "top event". A basic problem with this technique in comparison to a FMECA would be which of the following?
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Which of the following is a primary concern for a reliability engineer who uses publicly available sources for mechanical part-failure rates?
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Which of the following is TRUE about the distribution of the mean for large samples?
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The reliability of a device comprised of various parts functioning in series is the:
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Which of the following BEST describe a critical item in reliability?
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Which of the following is a basic element in the corrective action process?
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Human will perform more reliably if:
I. They understand what is required and why.
II. The task is challenging and complex.
III. Pressure is applied which penalizes failure.
IV. There are incentives for quality.
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Derating a component to 50 percent of its operating value will generally decrease its failure rate by a factor of:
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Top probability of the top event is represented by which of the following expressions?

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A company has produced a new module. The failure data on 40 returns are shown below.

If the time to failure follows a normal distribution, what is the probability that time to failure exceeds 20 hours ?
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What is the probability of exactly 3 defects given the following?
- Probability of 1 or more defects = 0.75
- Probability of 2 or more defects = 0.41
- Probability of 3 or more defects = 0.17
- Probability of 4 or more defects = 0.05
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Which one of the following quantitative methods does NOT apply to the assessment of actual system/component reliability?
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Which of the following models are used for software reliability?
I. Basic execution time model.
II. Markov analysis model.
III. Logarithmic Poisson execution time model.
IV. Simulation model.
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トータル 456 問