최신 CRE 무료덤프 - ASQ Certified Reliability Engineer (CRE)
A fractional design is said to be saturated when the design only allow the estimation of which of the following?
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정답: C
Which answer describes the MOST significant difference that Reliability Engineering has, compared to the Quality Profession?
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정답: B
Which of the following is NOT an appropriate element in the definition of availability?
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정답: C
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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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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정답: D
Censoring of data occurs when
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정답: C
What percentage of the material is expected to fail?
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정답: A
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 ?
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Which of the following is the first step in the review of this situation ?
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정답: B
Production error by human operators may be caused by:
I. Inadequate work space.
II. Inadequate job planning information.
III. Poor environmental conditions.
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I. Inadequate work space.
II. Inadequate job planning information.
III. Poor environmental conditions.
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정답: A
A plastics plant operates 8 extruders producing plastic film. Production volume requirements cannot be met if less than 6 extruders are operating. There is a .30 probability that a machine stopping malfunction will occur.
What is the probability that 6 extruders can remain operating throughout the day?
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What is the probability that 6 extruders can remain operating throughout the day?
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정답: C
A system made up of 5 series components has a design reliability of .96. Subsequently, 4 of the components have reliabilities apportioned to them of 0.992, 0.991, 0.994, and 0.992.
What should the reliability apportionment for the 5th subsystem be?
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What should the reliability apportionment for the 5th subsystem be?
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정답: B
What type of failure is usually reduced by periodic overhaul and replacement of component parts?
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정답: D
Corrective maintenance is performed in order to
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정답: B
When a defense is prepared for a product liability action, all of the following would be considered elements of the assumption of risk the plaintiff must have EXCEPT:
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정답: B
Which of the following activities prioritizes failure modes based on probability of failure, severity, and consequences?
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정답: A
Which of the following is an appropriate use for experimental design?
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정답: A
Which of the following statistical distributions can be used to compare sample means?
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정답: C
What is meant by "derating"?
I. The technique of using a part, component, or equipment under stress conditions considerably below rated values, to achieve a "reliability margin" in design.
II. The technique of using a part, component, or equipment under normal conditions to achieve a reliable product design.
III. The technique of using a part, component, or equipment below stress conditions to achieve a reliable product design.
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I. The technique of using a part, component, or equipment under stress conditions considerably below rated values, to achieve a "reliability margin" in design.
II. The technique of using a part, component, or equipment under normal conditions to achieve a reliable product design.
III. The technique of using a part, component, or equipment below stress conditions to achieve a reliable product design.
Response:
정답: D
Which process has as its principle parts
- Defining the system.
- Establishing the reliability model.
- Assigning failure rates to the equipment involved.
- Computing the reliability for each function and for the system.
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- Defining the system.
- Establishing the reliability model.
- Assigning failure rates to the equipment involved.
- Computing the reliability for each function and for the system.
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정답: B
Customer feedback and data have been gathered on several new unknown failure modes, what would be an appropriate analysis tool to use on the data?
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정답: C
The designer has certain tools for reliable design at his/her disposal. He/She can:
I. Simplify the design and minimize the number of parts without degrading performance.
II. Perform design reliability review by means of reliability analysis.
III. Apply component derating techniques.
IV. Reduce the elevated operating temperature of components.
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I. Simplify the design and minimize the number of parts without degrading performance.
II. Perform design reliability review by means of reliability analysis.
III. Apply component derating techniques.
IV. Reduce the elevated operating temperature of components.
Response:
정답: B