[2022] Use Valid New CRE Test Notes & CRE Valid Exam Guide
CRE Actual Questions Answers PDF 100% Cover Real Exam Questions
NEW QUESTION 31
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 32
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. 0.994
- B. 0.986
- C. 0.998
- D. 0.952
Answer: C
NEW QUESTION 33
Which answer describes the MOST significant difference that Reliability Engineering has, compared to the Quality Profession?
Response:
- A. None of the above.
- B. It concerns failures over time.
- C. It concerns product conformance with specifications.
- D. It concerns customer satisfaction immediately after purchase.
Answer: B
NEW QUESTION 34
A reliability test of 12 pumps is terminated at 1000 hours. There were 5 failures as follows, what is the median rank % for the 4th failure ?
Response:
- A. 29.84%
- B. 40.00%
- C. 25.62%
- D. 24.48%
Answer: A
NEW QUESTION 35
In which of the following situation is it NOT advantageous to use Bayesian in reliability calculation?
Response:
- A. When each piece of new information will arrive in random error.
- B. When no prior information is available.
- C. When both objective and subjective information must be used
- D. When both continuous and discrete data will be used.
Answer: B
NEW QUESTION 36
As the reliability engineer of a medium sized firm, you have developed a reliability test plan for the shop.
The shop manufactures products on a medium batch size basis. The batches range from 30 to 500 pieces per order. The test plan should include all of the following consideration EXCEPT Response:
- A. Inspect the majority of parts produced.
- B. Provide a safe testing environment.
- C. Discover every failure mode.
- D. Estimate MTBF values.
Answer: A
NEW QUESTION 37
A Reliability Engineering Department is conducting a training needs assessment. Which of these techniques are used for a training needs assessment?
I. Personal observations.
II. External customer surveys.
III. Costs analysis.
IV. Work sampling.
V. Interviews.
Response:
- A. I, III, IV and V only
- B. I, II, III, IV and V
- C. II, III and IV only
- D. I, IV and V only
Answer: C
NEW QUESTION 38
In general, one should select the highest component parameter ratings feasible so that:
I. Failure rates may be minimized.
II. Probability of secondary failure is minimized.
III. Safety margins are offered against unforeseen transients.
Response:
- A. I and III only
- B. I and II only
- C. I, II and III
- D. I only
Answer: C
NEW QUESTION 39
Which of the following is an analytical approach used during the manufacturing process where process conditions are changed systematically for the purpose of determining modifications required for product improvement?
Response:
- A. Fractional factorial experiment design
- B. Statistical process control.
- C. Cause-and-effect analysis.
- D. Taguchi method.
Answer: B
NEW QUESTION 40
It is of primary importance that the choice of the time-to-failure distribution to represent a particular reliability situation be based on:
Response:
- A. Simplicity of use.
- B. Empirical grounds.
- C. Representation of the failure mechanism.
- D. Convenience
Answer: C
NEW QUESTION 41
Corrective maintenance is performed in order to
Response:
- A. Restore a system to acceptable operation after a failure has occurred.
- B. Correct potential failure on a regular schedule before they occur.
- C. Reduce failure occurrence as directed by condition assessments.
- D. Restore a system to acceptable operation during scheduled downtime.
Answer: A
NEW QUESTION 42
The department having the authority to sign all deviations pertaining to the design of the product is normally:
Response:
- A. Inspection
- B. Manufacturing engineering.
- C. Design engineering.
- D. Contractual
Answer: C
NEW QUESTION 43
You have written what you feel is an excellent book on reliability principles. Your company wants you to conduct company-wide training classes on a specific reliability topic.
Your advice is sought and you recommend your text because you are familiar with it. What other professional action should be immediately taken?
Response:
- A. Recommend the work of another author to avoid the appearance of impropriety.
- B. Inform your employer of your business connection to the book.
- C. If the book is commercially available and your royalty is small, no other action is required.
- D. Be modest and nonassuming when explaining your work.
Answer: B
NEW QUESTION 44
A company has produced a new module. The failure data on 40 returns are shown below.
Which of the following is the first step in the review of this situation ?
Response:
- A. Determine the location in which the failure occurred.
- B. Identify the field service personnel who handled the returns.
- C. Categorize the data by using a Pareto analysis.
- D. Find the median of the data set.
Answer: A
NEW QUESTION 45
A randomly failing component is tested to r failures, and n observations are made. Degrees of freedom for calculating confidence limits on the mean should be:
Response:
- A. n
- B. 2r
- C. 2r + 2
- D. n - 1
Answer: B
NEW QUESTION 46
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