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NEW QUESTION 11
When a defense is prepared for a product liability action, all of the following would be considered elements of the assumption of risk the plaintiff must have EXCEPT:
Response:
- A. Understood the consequence of the risk.
- B. Had knowledge of the risk
- C. Contributed to the injury through negligence.
- D. Voluntarily undertaken the risk.
Answer: C
NEW QUESTION 12
What is the reliability of this system?
Where component reliabilities, A = 0.80 B = 0.95 C = 0.82 D = 0.85 E = 0.75
Response:
- A. 0.90
- B. 0.96
- C. 0.04
- D. 0.10
Answer: B
NEW QUESTION 13
In the House of Quality, the principal matrix shows the relationship between:
Response:
- A. Reliability Results and Time.
- B. Quality Requirements and Quality Inspection.
- C. Specifications and Results.
- D. Wants and Hows.
Answer: D
NEW QUESTION 14
The purpose of a failure reporting, analysis and corrective action system(FRACAS) includes which two of the following?
I. Provide a closed loop failure reporting system.
II. Provide initial robust product designs.
III. Provide management with derating methods and principles.
IV. Provide a failure analysis and corrective action vehicle.
Response:
- A. II, IV
- B. II, III
- C. I, II
- D. I, IV
Answer: D
NEW QUESTION 15
Which of the following is NOT a degradation mechanism?
Response:
- A. Wear
- B. Crack
- C. Derate
- D. Fatigue
Answer: C
NEW QUESTION 16
The investment in automated test equipment is often justified under which of the following circumstances Response:
- A. Conformance records are required.
- B. Numerous tests must be performed.
- C. Traceable records are required.
- D. Repair times must be short.
Answer: B
NEW QUESTION 17
Failure data collection, analysis, and corrective action:
I. Should be conducted by a competent staff using an electronic computer.
II. Is a requirement of MIL-STD-785.
III. Always pays for itself in the long run.
Response:
- A. I, II and III
- B. I and III only
- C. I only
- D. II only
Answer: D
NEW QUESTION 18
An air handling system has a MTBF of 8000 hours, MTBMct of 120 hours, and MMT (mean maintenance action time) of 230 hours. Determine the potential availability.
Response:
- A. 0.9575.
- B. 0.9866.
- C. 0.9721.
- D. 0.9852.
Answer: D
NEW QUESTION 19
The continuous improvement process can be guided by several techniques. Which of the following is the BEST approach?
Response:
- A. Multi-vari charts
- B. The new seven quality management tools
- C. Use of the PDCA cycle
- D. The original seven quality tools
Answer: C
NEW QUESTION 20
An airline maintains a fleet of 4-engine aircraft. Its maintenance records show that on the average an engine fails 3 times in 10,000 operating hours with normal preventive maintenance.
What is the Poisson distributed probability that 2 or more engines on an aircraft will fail during a typical flying period of 8 hours?
Response:
- A. 0.0000029
- B. 0.0000034
- C. 0.000029
- D. 0.000034
Answer: A
NEW QUESTION 21
What is this system's reliability at 3000 hours?
MTBFs for the components are :
A = 2500 hours B = 3700 hours C = 2000 hours D = 4000 hours.
Response:
- A. 0.014
- B. 0.017
- C. 0.047
- D. 0.029
Answer: A
NEW QUESTION 22
For single-failure modes, the probability plotting methods used to derive time-to-failure distribution parameters are applicable only when the data are Response:
- A. Exponentially distributed.
- B. Gathered for repairable systems.
- C. Independently and identically distributed.
- D. Independently and normally distributed.
Answer: C
NEW QUESTION 23
In order to sustain a high system reliability in the field, it is BEST to:
Response:
- A. Follow a preventive maintenance program with scheduled diagnostic checks.
- B. Fully analyze all failed components
- C. Lubricate the equipment exactly to manufacturing specifications.
- D. Write detailed reports on major failure modes.
Answer: A
NEW QUESTION 24
As the reliability engineer overseeing supplier development, you review the supplier's corrective action problem solving guidebook. It is a structured approach and you notice in the problem definition segment that there is a reference to "is data" and "is not data".
You recognize that they are using a technique promoted and championed by:
Response:
- A. Kaoru Ishikawa.
- B. Kaizen Principles.
- C. Deming's PDCA Cycle.
- D. Kepner-Tregoe.
Answer: D
NEW QUESTION 25
When reliability people say they are breaking the monopoly of the designer they mean Response:
- A. They are relieving the designer of his/her responsibility for the design.
- B. They intend to review the design in conjunction with other experts.
- C. They insist on having final approved of the design.
- D. They intend to put the reliability engineer organizationally higher than the design engineer.
Answer: B
NEW QUESTION 26
A certain light switch fails with a failure rate of 10 -4 . If the switch is used 20 times per week, what is the probability of the switch failing by the end of 3-year period?
Response:
- A. 2.68 × 10 -1
- B. 7.32 × 10 -5
- C. 7.32 × 10 -1
- D. 3.12 × 10 -1
Answer: A
NEW QUESTION 27
What is the Z value needed to conduct a two tail test in a statistical inference problem, specifying 90% level of confidence?
Response:
- A. 1.28
- B. 1.96
- C. 2.24
- D. 1.65
Answer: D
NEW QUESTION 28
System and cost effectiveness analysis outputs:
Response:
- A. Will not guide preliminary design features.
- B. Can be used to determine the best balance of system performance, cost and schedule.
- C. In most cases will not identify the degree to which innovations should be pursued.
- D. Do not guide trade-off decisions.
Answer: B
NEW QUESTION 29
According to the Arrhenius Model, the expected life of an electronic component should:
Response:
- A. Decrease exponentially with an increase in temperature.
- B. Increase exponentially with an increase in temperature.
- C. Increase linearly with an increase in temperature.
- D. Decrease linearly with an increase in temperature.
Answer: A
NEW QUESTION 30
The prediction technique has obviously not always been effective quantitatively. There is often a wide difference between actual reliability and predicted reliability. Nevertheless, the reliability prediction technique permits:
Response:
- A. Indicating which department is to blame.
- B. Estimating how good the product really is.
- C. Spotlighting what has gone wrong with the program.
- D. Separating out "the vital few" from the "trivial many".
Answer: D
NEW QUESTION 31
Random sampling plans are based on which of the following assumption?
Response:
- A. Every item has an equal chance of being selected.
- B. The data are accurate.
- C. The process is unstable.
- D. A specific dependency model has been selected.
Answer: A
NEW QUESTION 32
Which of the following are the MOST desirable basic skills required of a reliability engineer assigned to a cross-functional product team?
Response:
- A. Reliability planning, testing and measurement.
- B. Experience with FMECA and FTA.
- C. Communication, co-operation, and technical knowledge.
- D. Reliability trouble shooting, data collection and analysis.
Answer: C
NEW QUESTION 33
All of the following are purposes of a production reliability assurance test (PRAT) EXCEPT Response:
- A. Assess actual product reliability against reliability requirements.
- B. Minimize the need for specific process controls
- C. Assess performance against reliability requirements.
- D. Detect significant shifts between the as-built reliability requirements and the as-designed reliability requirements
Answer: B
NEW QUESTION 34
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. Restore a system to acceptable operation during scheduled downtime.
- D. Reduce failure occurrence as directed by condition assessments.
Answer: A
NEW QUESTION 35
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