A highly accelerated stress screening (HASS) test can help to detect and separate units with manufacturing defects. HASS test limits are typically developed from:
Response:

• A.Highly Accelerated Life Tests.
• B.Bayesian reliability testing.
• C.Production reliability acceptance tests.
• D.Statistical process control data

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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.
Response:

• A.I and III only
• B.I, II and III only
• C.I, II, III and IV
• D.II and IV only

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A person takes their car to the repair shop and it stops doing what it was previously doing. This is an example of:
Response:

• A.Catastrophic failure.
• B.Degradation failure.
• C.Intermittent failure.
• D.Drift failure.

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In the bath curve model, which one of the sections represents the period when catastrophic failure are likely to occur?
Response:

• A.Infant mortality
• B.All periods.
• C.Constant failure rate period.
• D.Wear out period.

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The term "failure mode" is defined as the:
Response:

• A.Consequence of the mechanism through which a failure occurs
• B.Physical, chemical, electrical, or thermal process that results in failure.
• C.Event or inoperable state in which an item or part of an item does not perform as specifed
• D.Failure caused by the failure of an associated items.

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