[Jan-2022] Exam CRE: New Brain Dump Professional - Free4Torrent
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NEW QUESTION 126
An intelligent and good reliability program plan is one that:
Response:
- A. Defines in detail the complementary activities necessary for improving and assessing the reliability parameter.
- B. Delineates the responsibilities and interfaces in as general a manner as possible.
- C. Retains flexibility by not formalizing reliability activities so that it cannot be tied down contractually.
- D. Emphasize the planning activities over the control activities.
Answer: A
NEW QUESTION 127
QFD stand for
Response:
- A. Qualification of Preliminary Design.
- B. Quality Function Deployment.
- C. Quantitative Functional Development.
- D. Quality Focused Department.
Answer: B
NEW QUESTION 128
What is the MOST accurate method to verify that the maintainability requirement of a design is being met?
Response:
- A. By demonstration at the customer's facility.
- B. By analysis of the design.
- C. By performing maintainability prediction.
- D. By thorough design reviews.
Answer: A
NEW QUESTION 129
The failure rate for an IC chip is 0.0023 per hour of operation. Calculate the MTBF given that the failure rate is constant.
Response:
- A. 486 hrs
- B. 434.78 hrs
- C. 37.6 hrs
- D. 43 hrs
Answer: B
NEW QUESTION 130
A product - design team is in the material-selection phase for a new product. The following four treatments need to be considered:
What is the maximum number of treatment combinations?
Response:
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 131
Which of the following is the GREATEST benefit of a fault-tree analysis?
Response:
- A. It is systematic and identifies ways to avoid failures.
- B. It is comprehensive and readily converted to a computer program.
- C. It is easy to perform and does not require a computer program.
- D. It is bottom-up and provides detailed accident scenario.
Answer: A
NEW QUESTION 132
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 133
One of the descriptions of component failures can be explained by a mathematical model with a formula showing that the rate of chemical reaction varies exponentially with a rise in operating temperature.
This law is known as the:
Response:
- A. Planck Law.
- B. Arrhenius Law.
- C. Pareto Law
- D. Poisson Law
Answer: B
NEW QUESTION 134
Which of the following is the reason the bathtub curve has an increasing failure rate during the wear-out period?
Response:
- A. Design period does not project results past a predetermined time.
- B. System effectiveness decreases rapidly at this stage.
- C. Design, materials and environment determine a limit of useful life.
- D. Probability of failure is related to external factors that increase over time.
Answer: C
NEW QUESTION 135
An engineer must design a product with a probability of success 99%. Assume that both the strength and stress are normally distributed and that the standard deviations are the same.
If the stress is known to be 3000 lbs with a standard deviation of 100 lbs, what must be the approximate designed strength?
Response:
- A. 3100 lbs.
- B. 3330 lbs.
- C. 3730 lbs.
- D. 4020 lbs.
Answer: B
NEW QUESTION 136
In the Taguchi design methodology, what are noise factors?
Response:
- A. Factors that influence variation in the output
- B. Factors that strongly influence the mean response.
- C. Factors that impact tolerance design
- D. Factors that maximize parameter design.
Answer: A
NEW QUESTION 137
In the area of risk assessment, hazard severity categories are used to provide a measure of the seriousness involved. A system failure causing major environmental damage would be classified as:
Response:
- A. Negligible
- B. Catastrophic.
- C. Marginal
- D. Critical
Answer: D
NEW QUESTION 138
According to the Arrhenius Model, the expected life of an electronic component should:
Response:
- A. Decrease linearly with an increase in temperature.
- B. Increase linearly with an increase in temperature.
- C. Increase exponentially with an increase in temperature.
- D. Decrease exponentially with an increase in temperature.
Answer: D
NEW QUESTION 139
Which of the following are the MOST desirable basic skills required of a reliability engineer assigned to a cross-functional product team?
Response:
- A. Experience with FMECA and FTA.
- B. Communication, co-operation, and technical knowledge.
- C. Reliability planning, testing and measurement.
- D. Reliability trouble shooting, data collection and analysis.
Answer: B
NEW QUESTION 140
The use of plug-in devices improves all of the following EXCEPT:
Response:
- A. Fault isolation time.
- B. Design reliability.
- C. Interchangeability
- D. Mean time to repair.
Answer: B
NEW QUESTION 141
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 142
A failure that occurs without being caused by the failure of any other item is known as:
Response:
- A. A pattern failure.
- B. An independent failure.
- C. A dependent failure.
- D. An intermittent failure.
Answer: B
NEW QUESTION 143
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 144
An aggregate preventive maintenance program can greatly increase the overall availability of a system because of the Response:
- A. Ability to improve product safety.
- B. Improved control of inventory levels.
- C. Emphasis on budgeting operational expenses.
- D. Ability to improve observed reliability.
Answer: D
NEW QUESTION 145
Regarding computer hardware and software reliability, which of the available answers would NOT enhance software reliability?
I. Structured programming.
II. Redundant code programming.
III. Modular programming.
IV. Programming for fault tolerance.
Response:
- A. I and III only
- B. All of the options will enhance software reliability
- C. II and IV only
- D. II only
Answer: D
NEW QUESTION 146
A plastics plant operates 8 extruders producing plastic film. Production volume requirements cannot be met if less than 6 extruders are operating. There is a .30 probability that a machine stopping malfunction will occur.
What is the probability that 6 extruders can remain operating throughout the day?
Response:
- A. 0.5518
- B. 0.5783
- C. 0.4482
- D. 0.8059
Answer: A
NEW QUESTION 147
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