究極のガイド準備問題CREには正確なPDF解答[2023年04月30日]
合格できるASQの試験問題集
質問 248
For a critical complex system, which of the following BEST expresses the ideal relationship between the planned cost of preventive maintenance (CPM) and cost of corrective maintenance (CCM)?
Response:
- A. The CPM should be significantly higher than CCM.
- B. The CPM should be slightly higher than CCM.
- C. The CCM should be significantly higher than CPM.
- D. The CCM should be slightly higher than CPM.
正解: C
質問 249
Which of the following reliability tests is conducted during the prototype stage?
Response:
- A. Acceptance test.
- B. Screening test.
- C. Demonstration test
- D. Qualification test
正解: C
質問 250
15 rocket booster engines were tested for a total of 5 hours. Three engines failed. What is the two-sided confidence interval for MTBF using 95% confidence?
Response:
- A. 0.69, 8.06
- B. 0.80, 9.50
- C. 0.75, 9.20
- D. 0.57, 8.06
正解: D
質問 251
Which of the following CANNOT be classified as a computer output device?
Response:
- A. Magnetic tape unit.
- B. The keyboard.
- C. Disc drive unit.
- D. Printer.
正解: B
質問 252
If a company monitors field reliability using both 6 and 12 month MTBF moving average, a comparison of the average will generally show that the 12 month moving averages Response:
- A. Are less than the 6 month values.
- B. Vary less than the 6 month values.
- C. Are greater than the 6 month values.
- D. Vary more than the 6 month values.
正解: B
質問 253
When designing experiments, which term describes the situation in which the effects of two factors are not separable?
Response:
- A. Interactive.
- B. Confounded.
- C. Collinear.
- D. Covariate
正解: B
質問 254
Which of the following is NOT true about the Taguchi DOE approach?
I. It includes the concept of loss function in factorial experiments.
II. It assumes losses occur when a process fails to meet a target value.
III. It assumes losses are due to variability within the process.
IV. It assumes that the loss function is a step function relative to the specification limits.
Response:
- A. III only
- B. I only
- C. IV only
- D. II only
正解: C
質問 255
Which of the following is the BEST approach to recover product reliability from manufacturing?
Response:
- A. Improve the suppler selection process.
- B. Reduce product variability.
- C. Increase receiving inspection
- D. Reduce scheduled product maintenance.
正解: B
質問 256
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. 0.9997
- B. 0.9999
- C. 0.9232
- D. 0.9432
正解: B
質問 257
A high incidence of failures has developed during aircraft acceptance testing. The identified failure is that an instrument panel light has malfunctioned on 6 of the last 10 aircraft tested.
This problem needs to be investigated and a Failure Reporting and Corrective Action System (FRACAS) needs to be completed without stopping aircraft production.
If the cause of the failure is determined to be a faulty subassembly manufactured only by a single supplier, and this situation is threatening to shut down aircraft production, the next step should be to Response:
- A. Visit the supplier to assist in determining the root cause of the problem.
- B. Initiate a supplier corrective action and return all of the unsorted inventory.
- C. Update the inspection instruction and retrain receiving inspection.
- D. Issue a Government and Industry Data Exchange Program (GIDEP) alert.
正解: A
質問 258
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.
Response:
- A. 0.952
- B. 0.986
- C. 0.998
- D. 0.994
正解: C
質問 259
In general, reliability testing is performed for which of the following reasons?
I. To detect unanticipated failure modes.
II. To compare estimated failure rates to actual failure rates.
III. To monitor reliability growth over time.
IV. To meet or exceed customer expectations.
Response:
- A. I, II and III only
- B. I, II, III and IV
- C. II and IV only
- D. I and III only
正解: B
質問 260
A failure that leaves the system fully functional is:
Response:
- A. A chronic failure.
- B. A minor failure.
- C. A major failure.
- D. A nuisance failure.
正解: B
質問 261
Which of the following statements is TRUE about human factor points?
Response:
- A. They generally cause schedule slippage whenever they are incorporated.
- B. They are most costly to incorporate during the concept phase.
- C. They are not necessary until the product has been designed and field tested.
- D. They should be incorporated during the design phase.
正解: D
質問 262
Your company has just installed a new computer data entry system and you must determine the new input error rates. Management requires you to report the error rate within 0.5%, at a 95% confidence level.
What sample size do you need if the population standard deviation is 1.2%?
Response:
- A. 0
- B. 1
- C. 2
- D. 3
正解: B
質問 263
In which of the following situation is it NOT advantageous to use Bayesian in reliability calculation?
Response:
- A. When no prior information is available.
- B. When both objective and subjective information must be used
- C. When each piece of new information will arrive in random error.
- D. When both continuous and discrete data will be used.
正解: A
質問 264
For a corrective action system to be effective, which of the following is MOST important?
Response:
- A. Follow - up.
- B. Design maturity.
- C. Warranty analysis.
- D. Robustness testing.
正解: A
質問 265
According to Taguchi, robustly designed experiments should employ all of the following techniques EXCEPT Response:
- A. Fold-over capabilities.
- B. Inner and outer arrays
- C. Linear graphs.
- D. Signal-to-noise ratios.
正解: A
質問 266
QFD stand for
Response:
- A. Quantitative Functional Development.
- B. Qualification of Preliminary Design.
- C. Quality Focused Department.
- D. Quality Function Deployment.
正解: D
質問 267
The probability of an accident for the head event "H" given below is:
Response:
- A. 0.1100.
- B. 0.0689.
- C. 0.0700.
- D. 0.1125.
正解: B
質問 268
From a company's point of view, which of the following costs would be LEAST appropriate for determining the cost of reliability?
Response:
- A. Life testing.
- B. Reliability training
- C. Equipment depreciation.
- D. Warranty cost.
正解: C
質問 269
If the exponential distribution is assumed, what is the reliability prediction uncertainty?
Response:
- A. The uncertainty is equal to the standard deviation of the normal distribution.
- B. The reliability prediction is a probabilistic determination, so uncertainty does not apply.
- C. The uncertainty is equal to the square of the standard deviation of the normal distribution.
- D. The MTBF.
正解: D
質問 270
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