최신ASQ Certified Reliability Engineer (CRE) - CRE무료샘플문제
문제1
A system is defined by the following reliability block diagram.
Which of the following block diagrams MOST simply represents the system reliability when Unit C is functioning?
Response:
A system is defined by the following reliability block diagram.
Which of the following block diagrams MOST simply represents the system reliability when Unit C is functioning?
Response:
정답: D
문제2
Six independent samples are taken of smokestack gas. The mean value of a critical pollutant was 30.2 ppm for the six samples, with a standard deviation s = 5 ppm.
Assuming that the samples were taken at random times, what is the 90% confidence interval for the proportion of the critical pollutant in the smokestack gas?
Response:
Six independent samples are taken of smokestack gas. The mean value of a critical pollutant was 30.2 ppm for the six samples, with a standard deviation s = 5 ppm.
Assuming that the samples were taken at random times, what is the 90% confidence interval for the proportion of the critical pollutant in the smokestack gas?
Response:
정답: C
문제3
For the exponential model, the reliability at mean time to failure is about:
Response:
For the exponential model, the reliability at mean time to failure is about:
Response:
정답: D
문제4
Product residual safety risk includes which two of the following?
I. The risk left over after the risk reducing plan is implemented.
II. The risk associated with the selected part.
III. The risk associated with a safety device.
IV. The risk the user introduces when they modify a product.
Response:
Product residual safety risk includes which two of the following?
I. The risk left over after the risk reducing plan is implemented.
II. The risk associated with the selected part.
III. The risk associated with a safety device.
IV. The risk the user introduces when they modify a product.
Response:
정답: D
문제5
All of the following activities would be appropriate during the design and development stage of a product' life cycle EXCEPT:
Response:
All of the following activities would be appropriate during the design and development stage of a product' life cycle EXCEPT:
Response:
정답: C
문제6
The reliability manager or engineer attend and participate in :
Response:
The reliability manager or engineer attend and participate in :
Response:
정답: A
문제7
A redundant system has 5 standby parallel components, with perfect switching. If each of the components have a reliability of 0.03 failures/hour, what is the system's reliability at 20 hours?
Response:
A redundant system has 5 standby parallel components, with perfect switching. If each of the components have a reliability of 0.03 failures/hour, what is the system's reliability at 20 hours?
Response:
정답: A
문제8
Product safety standards do NOT include:
Response:
Product safety standards do NOT include:
Response:
정답: C
문제9
The primary reason for improving equipment accessibility is to:
Response:
The primary reason for improving equipment accessibility is to:
Response:
정답: A
문제10
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:
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:
정답: C
문제11
Which of the following statistical distributions can be used to compare sample means?
Response:
Which of the following statistical distributions can be used to compare sample means?
Response:
정답: A
문제12
An undesired event in a system led to the below fault tree. Which of the following are the cut sets of the fault tree?
Response:
An undesired event in a system led to the below fault tree. Which of the following are the cut sets of the fault tree?
Response:
정답: D
문제13
When designing experiments, which term describes the situation in which the effects of two factors are not separable?
Response:
When designing experiments, which term describes the situation in which the effects of two factors are not separable?
Response:
정답: A
문제14
A vendor must perform tests on parts to determine which of the following?
Response:
A vendor must perform tests on parts to determine which of the following?
Response:
정답: B