The flat portion of the bathtub curve is a region of chance failures; therefore, for the reliability equation shown below:
Response:

• A.Applies to the entire bathtub curve.
• B.Applies to the wear out region as well as the flat region.
• C.Applies only to this region.
• D.Does not apply to this region.

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Product safety standards do NOT include:
Response:

• A.Evaluation requirements for product safety testing.
• B.Product requirements laws passed by government
• C.Performance requirements for products.
• D.Requirements for general, equipment and component safety.

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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.Part count.
• D.Basic weighted series.

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The following fault tree diagram was developed by a team.

The probability are as follow:
A1 = 0.90 B1 = 0.90 C1 = 0.80
A2 = 0.80 B3 = 0.80 C2 = 0.70
A4 = 0.70
The likelihood that the system fault will occur is
Response:

• A.0.3686
• B.0.3073
• C.0.5034
• D.0.4977

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Which of the following is NOT a major consideration in performing a human factors analysis?
Response:

• A.Hazard analysis.
• B.Conventional user expectations.
• C.Latent path analysis.
• D.Ergonomic evaluation.

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