2022年最新のCRE問題集レビュー専門クイズ学習材料
CREテスト準備トレーニング練習試験問題 練習テスト
質問 88
The factorial of 8 is:
Response:
- A. 78,320
- B. 0
- C. 1
- D. 40,320
正解: D
質問 89
In general, one should select the highest component parameter ratings feasible so that:
I. Failure rates may be minimized.
II. Probability of secondary failure is minimized.
III. Safety margins are offered against unforeseen transients.
Response:
- A. I, II and III
- B. I only
- C. I and II only
- D. I and III only
正解: A
質問 90
Regarding computer hardware and software reliability, which of the available answers would NOT enhance software reliability?
I. Structured programming.
II. Redundant code programming.
III. Modular programming.
IV. Programming for fault tolerance.
Response:
- A. II only
- B. All of the options will enhance software reliability
- C. II and IV only
- D. I and III only
正解: A
質問 91
When performing trade-offs in evaluating parts for reliability, which of the following is LEAST important?
Response:
- A. Search of data part history to established reliability potential.
- B. Technical comparison of new part with standard part type.
- C. Process and materials compatibility.
- D. Initial parts costs.
正解: D
質問 92
A company has produced a new module. The failure data on 40 returns are shown below.
Which of the following is the first step in the review of this situation ?
Response:
- A. Categorize the data by using a Pareto analysis.
- B. Find the median of the data set.
- C. Determine the location in which the failure occurred.
- D. Identify the field service personnel who handled the returns.
正解: C
質問 93
In a design team environment, the reliability function can influence product reliability principally by:
Response:
- A. Conducting internal and external failure analyses.
- B. Providing repair and maintenance service information.
- C. Developing reliability tests and procedures.
- D. Integrating the reliability requirements into product design.
正解: D
質問 94
Preliminary hazard analysis:
I. Is a review of safety problems prior to production.
II. Is normally done at a time when there is little design detail.
III. Can be used to identify the principal hazards when the product is first conceived.
Response:
- A. I, II and III
- B. I only
- C. I and II only
- D. III only
正解: A
質問 95
The maintenance time constraint (t) is:
Response:
- A. The reciprocal of mission time (T).
- B. Determined by the exponential failure law and log tables.
- C. The same as the maintainability increment (M delta).
- D. Usually prescribed as a requirement of the mission.
正解: D
質問 96
An aggregate preventive maintenance program can greatly increase the overall availability of a system because of the Response:
- A. Improved control of inventory levels.
- B. Ability to improve observed reliability.
- C. Ability to improve product safety.
- D. Emphasis on budgeting operational expenses.
正解: B
質問 97
In which of the following distribution is the standard deviation equal to the mean?
Response:
- A. Binomial.
- B. Poisson.
- C. Negative binomial.
- D. Exponential.
正解: C
質問 98
Which of the following is TRUE about the self-assessment a team uses when implementing concurrent engineering?
Response:
- A. It is a strategic planning tool.
- B. It is a means of comparing teams in different organization.
- C. It provides a "snapshot" of the team's status or needs.
- D. It is a required part of the process documentation.
正解: C
質問 99
A redundant system has 5 standby parallel components, with perfect switching. If each of the components have a reliability of 0.03 failures/hour, what is the system's reliability at 20 hours?
Response:
- A. 0.9997
- B. 0.9999
- C. 0.9432
- D. 0.9232
正解: B
質問 100
The main purpose of environmental stress screening is which of the following?
Response:
- A. To eliminate infant mortality failures.
- B. To eliminate supplier inspections.
- C. To subject parts to extremes
- D. To assist in the selection of standardized parts.
正解: A
質問 101
Which of the following is TRUE about the distribution of the mean for large samples?
Response:
- A. It is lognormally distributed.
- B. It is the same as the population distributions.
- C. It is exponentially distribution.
- D. It is normally distributed.
正解: D
質問 102
Design plans are BEST developed for product reliability with significant input from which of the following?
Response:
- A. The project team.
- B. Quality management.
- C. General management.
- D. Reliability management.
正解: A
質問 103
You have written what you feel is an excellent book on reliability principles. Your company wants you to conduct company-wide training classes on a specific reliability topic.
Your advice is sought and you recommend your text because you are familiar with it. What other professional action should be immediately taken?
Response:
- A. Inform your employer of your business connection to the book.
- B. If the book is commercially available and your royalty is small, no other action is required.
- C. Recommend the work of another author to avoid the appearance of impropriety.
- D. Be modest and nonassuming when explaining your work.
正解: A
質問 104
50 resisters from a lot of 75,000 were tested. The average was 3,306 ohms with a variance of 21,609 ohm 2 . From this information, we may conclude with 99% confidence, that at least 95% of this lot will have resistance values in the range of Response:
- A. 3,012 - 3,600 ohms
- B. 2,846 - 3,766 ohms
- C. 2,865 - 3,747 ohms
- D. 2927 - 3,685 ohms
正解: D
質問 105
Which of the following activities has the greatest impact on product reliability?
Response:
- A. Manufacturing
- B. Service.
- C. Design.
- D. Shipping and delivery
正解: C
質問 106
In which of the following situation is it NOT advantageous to use Bayesian in reliability calculation?
Response:
- A. When no prior information is available.
- B. When both objective and subjective information must be used
- C. When each piece of new information will arrive in random error.
- D. When both continuous and discrete data will be used.
正解: A
質問 107
......
試験問題解答ブレーン問題集でCRE試験問題集PDF問題：https://jp.fast2test.com/CRE-premium-file.html
CRE試験問題集、CRE練習テスト問題：https://drive.google.com/open?id=1Lxe2iKRzwe_FOWmuX-1ylY0hNozhu1cY