For human factors testing, the reliability engineer should understand and consider which of the following?
I. Sight capabilities.
II. Touch capabilities.
III. Audio capabilities.
IV. Thermal capabilities.
V. Vibration capabilities.
Response:

• A.I, II, III, IV, V
• B.II, III IV, V
• C.I, II, III, IV
• D.I, II, III

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All of the following techniques are appropriate for reliability apportionment EXCEPT Response:

• A.Advisory group on reliability of electronic equipment (AGREE) allocation methods.
• B.Duane modeling.
• C.Basic weighted series.
• D.Part count.

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FMECA is:
Response:

• A.A technique useful for space-government project.
• B.A technique to assure that design performance guidelines are fulfilled.
• C.A formal technique for review of failure potentials during design.
• D.A professional engineering organization.

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Regarding computer hardware and software reliability, which of the available answers would NOT enhance software reliability?
I. Structured programming.
II. Redundant code programming.
III. Modular programming.
IV. Programming for fault tolerance.
Response:

• A.II and IV only
• B.I and III only
• C.II only
• D.All of the options will enhance software reliability

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A certain light switch fails with a failure rate of 10 -4 . If the switch is used 20 times per week, what is the probability of the switch failing by the end of 3-year period?
Response:

• A.7.32 × 10 -5
• B.3.12 × 10 -1
• C.2.68 × 10 -1
• D.7.32 × 10 -1

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