QUESTION 62
In order to sustain a high system reliability in the field, it is BEST to:
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QUESTION 63
Corrective maintenance is performed in order to
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QUESTION 64
For a reliability plan to be most effective, the reliability tasks should be integrated with which of the following plan?
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QUESTION 65
A Reliability Engineering Department is conducting a training needs assessment. Which of these techniques are used for a training needs assessment?
I. Personal observations.
II. External customer surveys.
III. Costs analysis.
IV. Work sampling.
V. Interviews.
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QUESTION 66
Which of the following calculation is used to determine the overall tolerance for the serial combination of the component?
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QUESTION 67
Of the following, which is the MOST important reliability principle?
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QUESTION 68
What is the Z value needed to conduct a two tail test in a statistical inference problem, specifying 90% level of confidence?
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QUESTION 69
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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QUESTION 70
A mission profile is:
I. Time-phased.
II. A summary of events and environments.
III. All activities from initiation to completion of a mission.
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QUESTION 71
A highly accelerated stress screening (HASS) test can help to detect and separate units with manufacturing defects. HASS test limits are typically developed from:
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QUESTION 72
Specifically, up-time ratio is a measure of:
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QUESTION 73
From a company’s point of view, which of the following costs would be LEAST appropriate for determining the cost of reliability?
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QUESTION 74
The House of Quality incorporates a correlation matrix roof. This describes the relationships between which of the following?
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QUESTION 75
What is this system’s reliability at 700 hours?
Component failure data is : – Failure rate of A = 0.0007 failures/hr – Reliability of B = 0.92 – MTTF of C =
1400 hours – Reliability of D = 0.85.

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QUESTION 76
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?
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QUESTION 77
In order to attain a high order of series reliability:
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QUESTION 78
Which of the following is the primary goal of accelerated testing?
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