Which of the following activities is MOST effective in increasing reliability during a product's life cycle?
Response:

• A.Developing capable processes.
• B.Improving gage repeatability and reproducibility
• C.Developing an aggressive testing strategy.
• D.Developing robust design.

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When failed field item are returned for failure investigation, which of the following steps should be taken first?
Response:

• A.Each item should be investigated to classify and completely determine the failure mode
• B.Each item's predicted reliability should be compared with its actual reliability.
• C.The physics of failure should be used to determine failure mechanism.
• D.The manufacturing process should be reviewed to ensure that it was followed during the production of the failed items.

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What type of failure is usually reduced by periodic overhaul and replacement of component parts?
Response:

• A.Wear out.
• B.Random.
• C.Catastrophic.
• D.Early life.

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In order to sustain a high system reliability in the field, it is BEST to:
Response:

• A.Lubricate the equipment exactly to manufacturing specifications.
• B.Follow a preventive maintenance program with scheduled diagnostic checks.
• C.Write detailed reports on major failure modes.
• D.Fully analyze all failed components

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Which of the following is NOT a degradation mechanism?
Response:

• A.Wear
• B.Derate
• C.Fatigue
• D.Crack

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