Free CRE Questions for ASQ Certified Reliability Engineer (CRE) CRE Exam as PDF & Practice Test Engine
A sample is split into subgroups. Testing for each subgroup is stopped after the first failure in that subgroup. The times to first failure are plotted and the distribution parameters are estimated.
Which of the following test types BEST describes this situation?
Response:
Which of the following test types BEST describes this situation?
Response:
Correct Answer: B
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If the exponential distribution is assumed, what is the reliability prediction uncertainty?
Response:
Response:
Correct Answer: D
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A company is in a multi-products, competitive market. Which of the following is the MOST appropriate strategy to help capture the maximum market share?
Response:
Response:
Correct Answer: D
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A mission profile is:
I. Time-phased.
II. A summary of events and environments.
III. All activities from initiation to completion of a mission.
Response:
I. Time-phased.
II. A summary of events and environments.
III. All activities from initiation to completion of a mission.
Response:
Correct Answer: A
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Which of the following is TRUE about the self-assessment a team uses when implementing concurrent engineering?
Response:
Response:
Correct Answer: C
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The success of the FMEA is principally dependent on:
I. Good communication between the reliability engineer and the designer.
II. Use of the correct form and definitions.
III. Early determination of the reliability critical items.
Response:
I. Good communication between the reliability engineer and the designer.
II. Use of the correct form and definitions.
III. Early determination of the reliability critical items.
Response:
Correct Answer: B
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The ASQ code of ethics require all of the following of its member EXCEPT Response:
Correct Answer: D
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As a result of improper machining, a gear-tooth in a vehicle's transmission breaks causing the transmission to lock up and the vehicle to crash, injuring the driver. The failure mode in this case should be identified by the reliability engineer as the Response:
Correct Answer: C
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When testing is establish failure rate data and reliability predictions, which of the following is NOT normally a feasible acceleration factor with respect to rated conditions?
Response:
Response:
Correct Answer: A
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When performing trade-offs in evaluating parts for reliability, which of the following is LEAST important?
Response:
Response:
Correct Answer: B
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A life test was conducted on 10 units of a product. The average failure time of the units is 100 hours, and the standard deviation is 5 hours. If the failure time follows a normal distribution, what is the 90% confidence interval of the mean failure time for this product?
Response:
Response:
Correct Answer: D
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If a test shows three failures in 50 hours of operation, how many failures will it show in 1000 hours of operation if the failure rate is constant?
Response:
Response:
Correct Answer: B
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