Practice ASQ Certification CRE exam. Online Exam Practice Tests with detailed explanations! Pass CRE with confidence!
CRE - Certified Reliability Engineer (CRE) Practice Tests 2021 | DumpsQuestion
NEW QUESTION 120
Total system effectiveness can be predicted during the conceptual or development design by considering three main elements of reliability. Which of the four elements does NOT apply?
Response:
- A. Manufacturing reliability.
- B. Test reliability.
- C. Inherent reliability.
- D. Use reliability.
Answer: B
NEW QUESTION 121
All of the following statements are TRUE about confidence interval EXCEPT Response:
- A. The width indicate the uncertainty in estimates.
- B. A smaller sample size would yield a larger width
- C. The width does not depend on the confidence level.
- D. A larger sample size would yield a smaller width
Answer: C
NEW QUESTION 122
Which of the following is NOT a major consideration in performing a human factors analysis?
Response:
- A. Conventional user expectations.
- B. Latent path analysis.
- C. Ergonomic evaluation.
- D. Hazard analysis.
Answer: B
NEW QUESTION 123
Preventive maintenance programs are MOST effective when
Response:
- A. The hazard rate is constant.
- B. Random failure occur
- C. The hazard rate is increasing.
- D. The hazard rate is decreasing.
Answer: C
NEW QUESTION 124
According to the Arrhenius Model, the expected life of an electronic component should:
Response:
- A. Decrease linearly with an increase in temperature.
- B. Increase linearly with an increase in temperature.
- C. Increase exponentially with an increase in temperature.
- D. Decrease exponentially with an increase in temperature.
Answer: D
NEW QUESTION 125
Which of the following activities prioritizes failure modes based on probability of failure, severity, and consequences?
Response:
- A. FURPS.
- B. FTA
- C. FRACAS.
- D. FMEA
Answer: D
NEW QUESTION 126
Specifically, up-time ratio is a measure of:
Response:
- A. Maintainability
- B. Availability.
- C. Hazard rate.
- D. Maintenance action rate.
Answer: B
NEW QUESTION 127
Corrective maintenance is performed in order to
Response:
- A. Restore a system to acceptable operation after a failure has occurred.
- B. Restore a system to acceptable operation during scheduled downtime.
- C. Reduce failure occurrence as directed by condition assessments.
- D. Correct potential failure on a regular schedule before they occur.
Answer: A
NEW QUESTION 128
When parts are selected for a product in development, which of the following key elements should be considered first?
Response:
- A. Serviceability
- B. Availability
- C. Cost
- D. Application.
Answer: D
NEW QUESTION 129
What are the life cycle costs for a new stamping machine purchased by a metal fabrication plant?
Pertinent cost data follows:
Purchase Price = $230,000
Repair Costs = $107,000
Post Purchase Costs = $870,000
Start Up Costs = $125,000
Maintenance Costs = $420,000
Energy Costs = $325,000
Response:
- A. $787,000
- B. $1,100,000
- C. $1,207,000
- D. $2,077,000
Answer: B
NEW QUESTION 130
In an analysis of variance, which of the following distributions is the basis for determining whether the variance estimates are all from the same population?
Response:
- A. Chi square.
- B. F
- C. Student's t
- D. Normal
Answer: B
NEW QUESTION 131
A consideration for proper part selection is:
I. Parts application and specifications.
II. Selection, control and integration.
III. Derating.
Response:
- A. I and III only
- B. I only
- C. I, II and III
- D. II and III only
Answer: C
NEW QUESTION 132
A full factorial design of experiments has four factors. The first factor has two levels, the second factor has three levels, the third factor has two levels, and the final factor has four levels. How many runs are required for this analysis?
Response:
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 133
Which of the following statements is TRUE about probability distributions?
Response:
- A. The variance is used to measure the central tendency
- B. The 3rd moment about the mean is used to measure the kurtosis
- C. 4th moment about the mean is used to measure the skewness
- D. The median is used to measure the central tendency
Answer: D
NEW QUESTION 134
The failure rate for an IC chip is 0.0023 per hour of operation. Calculate the MTBF given that the failure rate is constant.
Response:
- A. 486 hrs
- B. 434.78 hrs
- C. 43 hrs
- D. 37.6 hrs
Answer: B
NEW QUESTION 135
Which of the following is the GREATEST benefit of a fault-tree analysis?
Response:
- A. It is bottom-up and provides detailed accident scenario.
- B. It is comprehensive and readily converted to a computer program.
- C. It is systematic and identifies ways to avoid failures.
- D. It is easy to perform and does not require a computer program.
Answer: C
NEW QUESTION 136
A certain light switch fails with a failure rate of 10 -4 . If the switch is used 20 times per week, what is the probability of the switch failing by the end of 3-year period?
Response:
- A. 3.12 × 10 -1
- B. 7.32 × 10 -5
- C. 2.68 × 10 -1
- D. 7.32 × 10 -1
Answer: C
NEW QUESTION 137
......
Get instant access to CRE practice exam questions: https://drive.google.com/open?id=1bnxs7ql3elN4mmze1jGG7xGzw-DB52ti
The best CRE exam study material and preparation tool is here: https://www.dumpsquestion.com/CRE-exam-dumps-collection.html