Real Exam Questions CRE Dumps Exam Questions in here [Jul-2021]
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NEW QUESTION 15
Using complete field-based data, a reliability engineer has analyzed the reliability growth of a repairable system over the last 24 months. The analysis suggests a "no growth" condition, and that finding is reported to management.
Due to a pending multimillion dollar order, management requests that a line be drawn to show growth where none actually exists. The engineer's department manager directs the engineer to comply with management request.
According to the ASQ Code of Ethics, which of the following is an appropriate action for the engineer to take next?
Response:
- A. Advise management of the consequences to expect if the engineer's professional judgement is overruled.
- B. Ask the department manager for support in presenting the original data to upper management in a more convincing way.
- C. Request a meeting with a representative from Occupational Safety and Hazard Administration (OSHA)
- D. Initiate new product reliability growth tests.
Answer: A
NEW QUESTION 16
The variations which the normal distribution curve describes are due to:
Response:
- A. Assignable causes
- B. Degradation failure.
- C. Catastrophic failure
- D. Non assignable causes.
Answer: D
NEW QUESTION 17
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. Ability to improve observed reliability.
- C. Emphasis on budgeting operational expenses.
- D. Improved control of inventory levels.
Answer: B
NEW QUESTION 18
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. 0.5783
- B. 0.5518
- C. 0.4482
- D. 0.8059
Answer: B
NEW QUESTION 19
Corrective maintenance is performed in order to
Response:
- A. Restore a system to acceptable operation after a failure has occurred.
- B. Restore a system to acceptable operation during scheduled downtime.
- C. Reduce failure occurrence as directed by condition assessments.
- D. Correct potential failure on a regular schedule before they occur.
Answer: A
NEW QUESTION 20
Failure modes and effects analysis involves what activity?
Response:
- A. A study of the probability of success in a given time period.
- B. The determination of the probability of failure in a specified period of time.
- C. The study of the physics of failure to determine exactly how a product fails and what causes the failure.
- D. The expected number of failures in a given time interval.
Answer: C
NEW QUESTION 21
What percentage of the material is expected to fail?
Response:
- A. 1.4%
- B. 8.1%
- C. 2.0%
- D. 2.3%
Answer: D
NEW QUESTION 22
A design review committee has recommended changes to a proposed design. Whose job is it to investigate and incorporate the ideas that will aid product reliability?
Response:
- A. The senior decision maker.
- B. The design review chairman.
- C. The design engineer.
- D. The reliability engineer.
Answer: C
NEW QUESTION 23
Which process has as its principle parts
- Defining the system.
- Establishing the reliability model.
- Assigning failure rates to the equipment involved.
- Computing the reliability for each function and for the system.
Response:
- A. Design review.
- B. Predicting reliability.
- C. Defining the program plan.
- D. Demonstrating the reliability.
Answer: B
NEW QUESTION 24
As a result of improper machining, a gear-tooth in a vehicle's transmission breaks causing the transmission to lock up and the vehicle to crash, injuring the driver. The failure mode in this case should be identified by the reliability engineer as the Response:
- A. Jammed transmission.
- B. Vehicle crash.
- C. Improper machining.
- D. Injured driver.
Answer: A
NEW QUESTION 25
Which of the following action will help eliminate the effects of extraneous factors in a designed experiment?
Response:
- A. Selecting factor levels.
- B. Fractionating the experiment.
- C. Randomizing the experiment.
- D. Repeating the experiment under different conditions.
Answer: C
NEW QUESTION 26
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 27
When reliability people say they are breaking the monopoly of the designer they mean Response:
- A. They intend to put the reliability engineer organizationally higher than the design engineer.
- B. They are relieving the designer of his/her responsibility for the design.
- C. They insist on having final approved of the design.
- D. They intend to review the design in conjunction with other experts.
Answer: D
NEW QUESTION 28
What is the minimum number of failure free trips that one must make in their car to be at least 95% confident it is 95% reliable?
Response:
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 29
The reliability of a device comprised of various parts functioning in series is the:
Response:
- A. Sum of the probabilities of the unreliability.
- B. Product of the unreliability
- C. Product of the reliability.
- D. Sum of the reliability.
Answer: C
NEW QUESTION 30
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. Reliability trouble shooting, data collection and analysis.
- C. Reliability planning, testing and measurement.
- D. Communication, co-operation, and technical knowledge.
Answer: D
NEW QUESTION 31
A key distinction between Taguchi designed experiments and classical designed experiments is that Taguchi designs Response:
- A. Include 2-level factors and classical design do not.
- B. Do not rely on randomization and classical experiments do.
- C. Are full-factorial and classical designs are not.
- D. Are not orthogonal and classical designs are.
Answer: B
NEW QUESTION 32
The design function which assigns probability of failures between components or subsystems is called:
Response:
- A. Apportionment
- B. Significance
- C. Confidence
- D. Qualification
Answer: A
NEW QUESTION 33
In the bath curve model, which one of the sections represents the period when catastrophic failure are likely to occur?
Response:
- A. Constant failure rate period.
- B. All periods.
- C. Infant mortality
- D. Wear out period.
Answer: B
NEW QUESTION 34
Which of the following is NOT an objective of a data collection program?
Response:
- A. To demonstrate internal reliability.
- B. To validate vendor supplied items.
- C. To produce reliability reports.
- D. To demonstrate reliability to customers.
Answer: C
NEW QUESTION 35
The optimum cost point for total life cycle costs occurs:
Response:
- A. When acquisition costs plus ongoing costs are minimized.
- B. When operations and maintenance costs are minimized.
- C. When reliability program expenditures are maximized.
- D. When manufacturing and development costs are minimized.
Answer: A
NEW QUESTION 36
Random sampling plans are based on which of the following assumption?
Response:
- A. Every item has an equal chance of being selected.
- B. A specific dependency model has been selected.
- C. The process is unstable.
- D. The data are accurate.
Answer: A
NEW QUESTION 37
In an elevated-temperature test on an electronic system, which of the following models is used to calculate the acceleration factor?
Response:
- A. Arrhenius model.
- B. Inverse power law model.
- C. Exponential model.
- D. Lognormal model.
Answer: A
NEW QUESTION 38
An off road trip is contemplated using a utility vehicle equipped with five tires. The probability of failure for each tire on this trip follows the binomial distribution and is estimated to be 0.5.
What is the probability that the trip can be completed successfully with the five available tires?
Response:
- A. 0.1875
- B. 0.0625
- C. 0.3125
- D. 0.5000
Answer: A
NEW QUESTION 39
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