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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Which of the following is (are) NOT (a) failure mechanism (s)?
l. Cracked
ll. Over-stressing.
lll. Inadequate maintenance instructions.
lV. Oxidized.
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While testing a new design, you experienced 3 failures in 100 tests. What is the lower confidence limit for the unit's tested reliability based on a confidence level of 0.90?
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A small sample from a product population is subjected to multiple levels of elevated stress. Which of the following could be used to model the life of the product?
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Which of the following graphs represents a product that is a good candidate for an accelerated degradation test involving overstress testing?

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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?
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What is the general use of an R chart?
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Product safety is a concern in today's environment. If a risk assessment is performed near the end of the design stage, consideration should be based on:
I. Hazard probability.
II. Hazard severity.
III. Risk impact.
IV. Cost impact.
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In a design team environment, the reliability function can influence product reliability principally by:
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In a FMECA, the potential failure modes are determined in order to improve system reliability. The effort to assess the severity of failure effects is part of the:
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The proper software tool for software development projects can help reduce test time. The software tools used to measure internal test coverage are called.
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The investment in automated test equipment is often justified under which of the following circumstances Response:

refer to a situation in which satellites in synchronous orbits around Earth are hit by meteors large enough to cause failure once every five years on average.
What is the probability that one of these satellites will be damaged by meteors and fail during its first year in orbit ?
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The comparative financial effects of reliability over the designed operating time T of two systems built to perform the same function can be obtained by comparing the
I. Failure rates.
II. Operating life of each system.
III. Cost of each system (including repair, replacement, and loss).
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Which of the following is a discrete probability distribution?
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In the House of Quality, the principal matrix shows the relationship between:
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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.
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What is the MOST accurate method to verify that the maintainability requirement of a design is being met?
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Software reliability planning includes all of the following EXCEPT
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Risk management includes which of the following?
I. Integration of risk evaluation in all design phases.
II. Knowledge and consideration of liability law.
III. Adopting procedures, policies and practices to control risks.
IV. Providing product labels and operator manuals where appropriate.
Response:

Random sampling plans are based on which of the following assumption?
Response:

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トータル 456 問