Which of the following is (are) NOT (a) failure mechanism (s)?
l. Cracked
ll. Over-stressing.
lll. Inadequate maintenance instructions.
lV. Oxidized.
Response:

• A.l and lV
• B.ll and lll
• C.lll
• D.l

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The MOST desirable outcome of an FMEA is
Response:

• A.A risk priority number
• B.An estimated of the detection number.
• C.An estimated of the occurrence number.
• D.A recommended action

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The prediction technique has obviously not always been effective quantitatively. There is often a wide difference between actual reliability and predicted reliability. Nevertheless, the reliability prediction technique permits:
Response:

• A.Spotlighting what has gone wrong with the program.
• B.Indicating which department is to blame.
• C.Separating out "the vital few" from the "trivial many".
• D.Estimating how good the product really is.

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The maintenance time constraint (t) is:
Response:

• A.The same as the maintainability increment (M delta).
• B.Usually prescribed as a requirement of the mission.
• C.Determined by the exponential failure law and log tables.
• D.The reciprocal of mission time (T).

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While testing a new design, you experienced 3 failures in 100 tests. What is the lower confidence limit for the unit's tested reliability based on a confidence level of 0.90?
Response:

• A.0.950
• B.0.935
• C.0.925
• D.0.962

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