The reliability growth factor is MOST important to consider in which of the following situation?
Response:
A. Option C
B. Option A
C. Option D
D. Option B
正解:C
質問 2:
In which of the following distribution is the standard deviation equal to the mean?
Response:
A. Negative binomial.
B. Binomial.
C. Poisson.
D. Exponential.
正解:A
質問 3:
A component fails on the average of once every 4 years with 75% of the failures observed to occur during stormy weather.
If there are 12 hours of stormy whether to every 240 hours of good weather, what are the failure rates for stormy and good weather respectively?
Response:
A. λ (stormy) = 6.594, λ (good) = 0.0458 failures/yr
B. λ (stormy) = 4.000, λ (good) = 0.0655 failures/yr
C. λ (stormy) = 4.202, λ (good) = 0.0525 failures/yr
D. λ (stormy) = 3.938, λ (good) = 0.0656 failures/yr
正解:D
質問 4:
refer to a situation in which satellites in synchronous orbits around Earth are hit by meteors large enough to cause failure once every five years on average.
What is the probability that one of these satellites will be damaged by meteors and fail during its first year in orbit ?
Response:
A. 0.82
B. 0.20
C. 0.80
D. 0.18
正解:D
質問 5:
The main purpose of environmental stress screening is which of the following?
Response:
A. To subject parts to extremes
B. To eliminate supplier inspections.
C. To assist in the selection of standardized parts.
D. To eliminate infant mortality failures.
正解:D
質問 6:
Maintainability can be improved by:
Response:
A. Increasing the testing rate.
B. Reducing the wear-out rate.
C. Increasing the repair rate
D. Reducing the hazard rate.
正解:C
山内** -
合格できた!ソフト版を利用して、問題をひたすら解きまくりました。内容はだんだん覚えました。
役に立ちました。ありがとうございました。