[Jan 11, 2023] Pass ASQ CRE Exam Info and Free Practice Test [Q36-Q59]

QUESTION 36
The maintainability for a system is based on the
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QUESTION 37
Which of the following is best defined as the practice of using parallel components and subsystems?
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QUESTION 38
A system is made up to several identical parts of varying age. The reliability of each of these parts is given by R( t) = e – λt where λ is the failure rate in failures per hour and t is the operating time in hours.
Which of the following is TRUE about the reliability of these parts?
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QUESTION 39
Software reliability planning includes all of the following EXCEPT
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QUESTION 40
A design review committee has recommended changes to a proposed design. Whose job is it to investigate and incorporate the ideas that will aid product reliability?
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QUESTION 41
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?
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QUESTION 42
Some keys to a successful reliability program include:
I. An evolutionary approach to new product development
II. Emphasis on manufacturing conformance to specifications
III. Development of strong long-term relationships with a small number of suppliers IV. The use of standards for guidance and lessons learned Response:

QUESTION 43
An aggregate preventive maintenance program can greatly increase the overall availability of a system because of the Response:

QUESTION 44
In the area of risk assessment, hazard severity categories are used to provide a measure of the seriousness involved. A system failure causing major environmental damage would be classified as:
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QUESTION 45
Human reliability is defined as the probability that a human will:
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QUESTION 46
Large power generating stations frequently have auxiliary turbine generators operating at speed. They do not produce power but act as back-ups. This type of redundancy is known as:
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QUESTION 47
Which of the following is NOT an objective of a data collection program?
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QUESTION 48
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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QUESTION 49
If the reliability goal for a 4 – hour mission is 0.9999 for a complex system, what system MTBF is required?
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QUESTION 50
In the binomial expression:
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QUESTION 51
Human factors are important considerations when designing for reliability because:
I. Habits are sometimes difficult to change.
II. Conditions such as lighting and heating influence performance.
III. Weak parts must be easily replaceable.
IV. Age and skill can limit one’s ability to use equipment correctly.
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QUESTION 52
When requesting “worst case” design analysis, you expect the reliability group to:
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QUESTION 53
The reliability of a device comprised of various parts functioning in series is the:
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QUESTION 54
The failure rate for an IC chip is 0.0023 per hour of operation. Calculate the MTBF given that the failure rate is constant.
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QUESTION 55
When performing trade-offs in evaluating parts for reliability, which of the following is LEAST important?
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QUESTION 56
Which of the following is a primary concern for a reliability engineer who uses publicly available sources for mechanical part-failure rates?
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QUESTION 57
For continual improvement in product reliability which of the following tests is MOST desirable?
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QUESTION 58
In a software development project, which of the following elements is NOT essential to ensure a reliable product?
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QUESTION 59
Reliability objectives and requirements should be set in which of the following life cycle phases?
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