Latest Jan 01, 2022 Real CRE Exam Dumps Questions Valid CRE Dumps PDF
ASQ CRE Exam Dumps - PDF Questions and Testing Engine
NEW QUESTION 82
Nonrelevant failures include all of the following EXCEPT:
Response:
- A. Unverified failures.
- B. Operating adjustment failures.
- C. Mishandling failures
- D. Human error failures.
Answer: A
NEW QUESTION 83
Product safety is a concern in today's environment. If a risk assessment is performed near the end of the design stage, consideration should be based on:
I. Hazard probability.
II. Hazard severity.
III. Risk impact.
IV. Cost impact.
Response:
- A. I, II and III only
- B. II and III only
- C. I only
- D. I, II, III and IV
Answer: A
NEW QUESTION 84
The margin of safety in a design is BEST described by which of the following statements?
Response:
- A. The ratio of the difference between the mean strength and the mean load.
- B. The ratio of the mean load to the mean strength.
- C. The ratio of the variance of the stress to the strength.
- D. The mean load variance divided by the mean strength variance times 100.
Answer: A
NEW QUESTION 85
Design review should be a process to ensure and/or develop more reliable design. Which of the following person(s), if any, should work with the designer during the design process?
Response:
- A. Management team.
- B. Design supervisor.
- C. Designer only
- D. Reliability engineer.
Answer: D
NEW QUESTION 86
A vendor must perform tests on parts to determine which of the following?
Response:
- A. Cost.
- B. Materials and processes.
- C. Configuration and size.
- D. Functional capability under specified environmental conditions.
Answer: D
NEW QUESTION 87
Which of the following is a model used for monitoring reliability growth?
Response:
- A. Normal
- B. Duane
- C. Lognormal
- D. Arrehenius
Answer: B
NEW QUESTION 88
Which of the following statement is TRUE about environmental stress screening (ESS)?
Response:
- A. It involves random sampling
- B. It is used to validate a design.
- C. It stresses equipment beyond design limits
- D. It is a form of accelerated testing.
Answer: A
NEW QUESTION 89
Which of the following is an appropriate use for experimental design?
Response:
- A. Ensuring the robust design of a product.
- B. Establishing product requirements.
- C. Developing a fault-tree analysis.
- D. Analyzing customer complaint reports.
Answer: A
NEW QUESTION 90
The variations which the normal distribution curve describes are due to:
Response:
- A. Degradation failure.
- B. Non assignable causes.
- C. Catastrophic failure
- D. Assignable causes
Answer: B
NEW QUESTION 91
50 resisters from a lot of 75,000 were tested. The average was 3,306 ohms with a variance of 21,609 ohm 2 . From this information, we may conclude with 99% confidence, that at least 95% of this lot will have resistance values in the range of Response:
- A. 2927 - 3,685 ohms
- B. 3,012 - 3,600 ohms
- C. 2,865 - 3,747 ohms
- D. 2,846 - 3,766 ohms
Answer: A
NEW QUESTION 92
Of the following, which is the MOST important reliability principle?
Response:
- A. Consider reliability early in the design phase.
- B. Use only proven designs.
- C. Specify only high reliability components.
- D. Use redundancy throughout the design.
Answer: A
NEW QUESTION 93
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 and III only
- B. II and IV only
- C. I, II, III and IV
- D. I, II and III only
Answer: C
NEW QUESTION 94
Your customer required a paper cutting machine with these specifications:
Speed : 100m/minute; Cutting width : 47 inches; Good product : 99%
You deliver a machine to this customer with these specifications :
Speed : 110m/minute; Cutting width : 48 inches; Good product: 97%.
How would you classify this success/failure ?
Response:
- A. None of the above.
- B. A limited success
- C. A technical success, but quality failure.
- D. A technical failure.
Answer: D
NEW QUESTION 95
Measures of availability include:
I. Effectiveness.
II. Inherent.
III. Achieved.
IV. Dependability.
V. Capability.
Response:
- A. III, IV and V
- B. II, III and IV
- C. II and III only
- D. I, III and IV
Answer: C
NEW QUESTION 96
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
Answer: B
NEW QUESTION 97
A system is made up to several identical parts of varying age. The reliability of each of these parts is given by R( t) = e - λt where λ is the failure rate in failures per hour and t is the operating time in hours.
Which of the following is TRUE about the reliability of these parts?
Response:
- A. The failure rate of the system is given by the product of the individual part reliabilities.
- B. The oldest part is expected to fail first.
- C. The failure rate of the system is given by the product of the individual part failure rates.
- D. Each of the parts has the same probability of failing during a given period of time.
Answer: D
NEW QUESTION 98
The comparative financial effects of reliability over the designed operating time T of two systems built to perform the same function can be obtained by comparing the
I. Failure rates.
II. Operating life of each system.
III. Cost of each system (including repair, replacement, and loss).
Response:
- A. I and III only
- B. II only
- C. II and III only
- D. I, II and III
Answer: D
NEW QUESTION 99
What is meant by "derating"?
I. The technique of using a part, component, or equipment under stress conditions considerably below rated values, to achieve a "reliability margin" in design.
II. The technique of using a part, component, or equipment under normal conditions to achieve a reliable product design.
III. The technique of using a part, component, or equipment below stress conditions to achieve a reliable product design.
Response:
- A. I and III only
- B. I only
- C. III only
- D. I, II and III
Answer: B
NEW QUESTION 100
When requesting "worst case" design analysis, you expect the reliability group to:
Response:
- A. Analyze only those products failing to meet specification requirements.
- B. Determine whether product requirements can be met with subassemblies assumed at their worst combination of tolerances.
- C. Assume all subassembly tolerances are at their maximum limit.
- D. Analyze the worst rejects.
Answer: B
NEW QUESTION 101
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