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ASQ CRE (Certified Reliability Engineer) Certification Exam is a professional certification that recognizes individuals who demonstrate a high level of expertise in the field of reliability engineering. Certified Reliability Engineer (CRE) certification was developed by the American Society for Quality (ASQ), which is a global organization that promotes quality and continuous improvement in various industries. The ASQ CRE Certification Exam is designed to assess an individual's knowledge and skills in the areas of reliability engineering principles, statistical analysis, quality control, and risk management.
ASQ CRE certification program is an excellent way for professionals to demonstrate their expertise in reliability engineering and advance their careers. Certified Reliability Engineer (CRE) certification program provides professionals with the skills and knowledge they need to develop and implement reliable products, systems, and services. Additionally, the ASQ CRE certification program is recognized by many employers as a standard of excellence, which can increase a candidate's job prospects and earning potential.
ASQ CRE certification exam covers a wide range of topics related to reliability engineering, including statistical analysis, test planning and analysis, reliability modeling and prediction, risk assessment and management, reliability in design and development, and quality control. CRE exam consists of 150 multiple-choice questions, and candidates have four hours to complete it. To be eligible for the exam, candidates must meet certain educational and experience requirements, including a degree in engineering or a related field and at least four years of experience in reliability engineering.
NEW QUESTION # 108
The use of PERT requires:
Response:
- A. Time estimates for each activity in the network.
- B. The critical path to be known in advance.
- C. Slack times to be added to the critical path.
- D. Less data than a Gantt chart.
Answer: A
NEW QUESTION # 109
Reliability Growth is:
I. Often mathematically modeled with the Duane or AMSSA approaches.
II. The existence of more than one means for accomplishing a given functions.
III. Improvement of a reliability parameter by correcting deficiencies in the design.
Response:
- A. I and III only
- B. III only
- C. II only
- D. I and II only
Answer: A
NEW QUESTION # 110
Which of the following is the BEST approach to recover product reliability from manufacturing?
Response:
- A. Reduce product variability.
- B. Reduce scheduled product maintenance.
- C. Improve the suppler selection process.
- D. Increase receiving inspection
Answer: A
NEW QUESTION # 111
The mean of the normal logarithms of the repair times is 4.3 hours with a standard deviation of 0.7 hours. What is the maintainability for an allowed repair time of 120 hours?
Response:
- A. 0.243
- B. 0.187
- C. 0.757
- D. 0.976
Answer: C
NEW QUESTION # 112
A "fail-safe" requirement means:
Response:
- A. The system has safety devices.
- B. The safety systems cannot fail.
- C. The system is safe from failure.
- D. The system will fall in a safe state.
Answer: D
NEW QUESTION # 113
What is the reliability of the power switching system schematic on the left after 30,000 hours ? The electric utility primary power system (A) has a failure rate of 0.00001 failure/hour.
The motor generator backup system (B) has a failure rate of 0.0007 failure/hour. The standby system has an imperfect switch with 0.90 reliability per operation.
Response:
- A. 0.75
- B. 0.83
- C. 0.80
- D. 0.87
Answer: A
NEW QUESTION # 114
The primary reason for improving equipment accessibility is to:
Response:
- A. Improve equipment reliability.
- B. Maximize labor utilizations.
- C. Minimize equipment downtime.
- D. Improve service life.
Answer: C
NEW QUESTION # 115
Which of the following forms of reliability data will BEST provide valuable information on product usage and reliability?
Response:
- A. Independent lab results.
- B. In-house test results
- C. Quality control data.
- D. Field support data
Answer: D
NEW QUESTION # 116
The ASQ code of ethics require all of the following of its member EXCEPT Response:
- A. Being honest and impartial in relationships with employers, clients, and the public.
- B. Promoting the reliability and safety of products within their jurisdiction
- C. Aiding in the professional development and advancement of subordinates
- D. Aiding other members by disclosing technical processes to solve complex problems.
Answer: D
NEW QUESTION # 117
A data collection, analysis, and reporting system should:
I. Permit detailed failure and failure rate analysis for varying environments, time periods, storage conditions, etc.
II. Provide distinction between items that failed and item that were wrongly removed.
III. Report data on successes as well as failures.
Response:
- A. II and III only
- B. I, II and III
- C. I only
- D. I and III only
Answer: B
NEW QUESTION # 118
The predicted reliability is higher than the long term realized probability. Which of the following is the MOST likely cause of this difference?
Response:
- A. Lack of adequate employee training and process audits.
- B. The accumulation of random process variations.
- C. A poor initial estimation of reliability.
- D. Deterioration of the manufacturing processes and procedures.
Answer: D
NEW QUESTION # 119
What is meant by reliability assurance?
I. The probability of performing a specified function without failure under given conditions for a specified period of time.
II. The exercise of positive and deliberate measures to provide confidence that a specified reliability will be obtained.
III. The probability that a product or component will be accepted by the customer.
Response:
- A. I only
- B. III only
- C. II only
- D. I and II only
Answer: C
NEW QUESTION # 120
What is the Z value needed to conduct a two tail test in a statistical inference problem, specifying 90% level of confidence?
Response:
- A. 1.65
- B. 1.96
- C. 1.28
- D. 2.24
Answer: A
NEW QUESTION # 121
A satellite has two redundant control systems, each has a failure rate (lambda) = 1×10 -6 failures/hour. If one of the systems fails, the failure rate for the remaining system increases to 2×10 -5 failures/hour.
What is the reliability of the redundant control systems at 175,000 hours?
Response:
- A. 0.690
- B. 0.7796
- C. 0.8609
- D. 0.2507
Answer: B
NEW QUESTION # 122
A system has components connected in active parallel. At least n - 1 of the components must operate for the system to function properly. Suppose the time to failure of each component has an exponential distribution with the same failure rate λ. The mean time to failure of this system is:
Response:
- A. 2/(n - 1) λ
- B. 1/(n - 1) λ
- C. (n - 1)/n 2 λ
- D. (2n - 1)/n(n - 1) λ.
Answer: D
NEW QUESTION # 123
Which answer BEST describes the events and operating conditions an item experiences from mission initiation to completion?
The events may include the research and development phase, product manufacturing, warehousing, and so on, to mission completion.
Response:
- A. Mission profile.
- B. Design adequacy.
- C. Mission reliability.
- D. Operational readiness.
Answer: A
NEW QUESTION # 124
A QFD team's primary goal should be to
Response:
- A. Identify factors that influence customer satisfaction.
- B. Document the quality frequency and defects field testing program.
- C. Develop a matrix of the environmental test levels for reliability.
- D. Develop a matrix of critical component reliability tradeoffs.
Answer: A
NEW QUESTION # 125
Preventive maintenance programs are MOST effective when
Response:
- A. Random failure occur
- B. The hazard rate is increasing.
- C. The hazard rate is constant.
- D. The hazard rate is decreasing.
Answer: B
NEW QUESTION # 126
Design plans are BEST developed for product reliability with significant input from which of the following?
Response:
- A. General management.
- B. Reliability management.
- C. The project team.
- D. Quality management.
Answer: C
NEW QUESTION # 127
Which of the following statements is TRUE nonrepairable items?
Response:
- A. Their primary unit of measure is mean time to replace.
- B. Reliability is the survival probability that failure of the items will not occur during the period of interest when more than one failure can occur
- C. Their primary unit of measure is failure severity.
- D. Reliability is survival probability over the expected life of the items when only one failure can occur
Answer: D
NEW QUESTION # 128
A component has a strength of 8000 psi and a standard deviation of 1200 psi. It needs to withstand a load with a mean value of 5000 psi and a standard deviation of 500 psi. Both strength and load are normally distributed.
What is the probability of failure for the component?
Response:
- A. 0.0174
- B. 0.0059
- C. 0.0014
- D. 0.0104
Answer: D
NEW QUESTION # 129
The primary aim of sequential-life testing is to determine
Response:
- A. The mean time between failures (MTBF).
- B. The probability density function of failures.
- C. Whether the stress-level variation is significant.
- D. Whether a lot meets the reliability goal.
Answer: D
NEW QUESTION # 130
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