無料で使えるCRE試験ブレーン問題集認定ガイド問題と解答 [Q153-Q174]

新問題 153
What is the factor of safety for the material?
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新問題 154
Which of the following statements is TRUE about probability distributions?
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新問題 155
What percentage of the material is expected to fail?
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新問題 156
Concurrent engineering means
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新問題 157
When reliability people say they are breaking the monopoly of the designer they mean Response:

新問題 158
A life test was conducted on 10 units of a product. The average failure time of the units is 100 hours, and the standard deviation is 5 hours. If the failure time follows a normal distribution, what is the 90% confidence interval of the mean failure time for this product?
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新問題 159
The BEST way to set an overall reliability goal is to:
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新問題 160
Data collection for a failure reporting, analysis, and corrective action system is important. The control of input data is BEST determined by:
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新問題 161
It is appropriate to use the homogeneous Poisson process (HPP) when the failure rate of a system is Response:

新問題 162
All of the following statements are TRUE about confidence interval EXCEPT Response:

新問題 163
Which of the following is TRUE about an effective safety system?
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新問題 164
Which of the following failures would probably be considered a chargeable reliability failure?
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新問題 165
The design function which assigns probability of failures between components or subsystems is called:
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新問題 166
The factorial of 8 is:
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新問題 167
What is this system’s reliability at 700 hours?
Component failure data is : – Failure rate of A = 0.0007 failures/hr – Reliability of B = 0.92 – MTTF of C =
1400 hours – Reliability of D = 0.85.

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新問題 168
Software reliability planning includes all of the following EXCEPT
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新問題 169
Which of the following statements is TRUE about human factor points?
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新問題 170
The reliability of a complex system can BEST be improved by:
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新問題 171
If the reliability goal for a 4 – hour mission is 0.9999 for a complex system, what system MTBF is required?
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新問題 172
Large power generating stations frequently have auxiliary turbine generators operating at speed. They do not produce power but act as back-ups. This type of redundancy is known as:
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新問題 173
What is the MOST accurate method to verify that the maintainability requirement of a design is being met?
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新問題 174
On the basis of the fault tree below, what is the likelihood of the top event occurring?

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