Pass ASQ Certified Reliability Engineer (CRE) Exam in First Attempt Guaranteed Updated Dump from PracticeTorrent!
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NEW QUESTION 133
The reliability growth factor is MOST important to consider in which of the following situation?
Response:
- A. Option A
- B. Option D
- C. Option B
- D. Option C
Answer: B
NEW QUESTION 134
Which of the following is the primary goal of accelerated testing?
Response:
- A. Reduced development time.
- B. Reduced development cost.
- C. Increased reliability.
- D. Increased quality
Answer: A
NEW QUESTION 135
Which of the following calculation is used to determine the overall tolerance for the serial combination of the component?
Response:
- A. The average of the tolerances.
- B. The maximum of the tolerances.
- C. The sum of the tolerances
- D. The square root of the sum of the square of the tolerance.
Answer: D
NEW QUESTION 136
What are the life cycle costs for a new stamping machine purchased by a metal fabrication plant?
Pertinent cost data follows:
Purchase Price = $230,000
Repair Costs = $107,000
Post Purchase Costs = $870,000
Start Up Costs = $125,000
Maintenance Costs = $420,000
Energy Costs = $325,000
Response:
- A. $787,000
- B. $1,100,000
- C. $1,207,000
- D. $2,077,000
Answer: B
NEW QUESTION 137
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. Convenience
- C. Representation of the failure mechanism.
- D. Empirical grounds.
Answer: C
NEW QUESTION 138
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 and III only
- B. I only
- C. I, II and III
- D. II only
Answer: D
NEW QUESTION 139
If the plating time of a tube increases as the inside diameter decreases, then the correlation coefficient for the insider diameter versus plating time would be:
Response:
- A. Equal to 1
- B. Greater than 1
- C. Between 0 and +1
- D. Between 0 and -1
Answer: D
NEW QUESTION 140
A mission profile is:
I. Time-phased.
II. A summary of events and environments.
III. All activities from initiation to completion of a mission.
Response:
- A. I and III only
- B. III only
- C. I, II and III
- D. II and III only
Answer: C
NEW QUESTION 141
A resistor is rated at 1 watt. One example of using this resistor in a derated condition is using:
Response:
- A. The resistor in a 2 watt application.
- B. Two of the resistors in series.
- C. The resistor in a 0.5 watt application.
- D. The resistor as a standby unit.
Answer: C
NEW QUESTION 142
What is the reliability of the power switching system schematic on the left after 30,000 hours ? The electric utility primary power system (A) has a failure rate of 0.00001 failure/hour.
The motor generator backup system (B) has a failure rate of 0.0007 failure/hour. The standby system has an imperfect switch with 0.90 reliability per operation.
Response:
- A. 0.87
- B. 0.80
- C. 0.83
- D. 0.75
Answer: D
NEW QUESTION 143
Which of the following techniques is MOST beneficial in tracking a process to determine whether corrective action should be taken?
Response:
- A. Pareto analysis.
- B. Control charting.
- C. Time series plotting.
- D. Trend analysis.
Answer: B
NEW QUESTION 144
Which of the following is the MOST appropriate reason for selecting accelerated life testing for an expensive product to determine adherence to design requirements?
Response:
- A. The error in the population due to part-to-part variation is too large.
- B. The probability density function of the product follows either a log normal or a Weibull distribution.
- C. The current sample size and the life distribution show wear-out is likely
- D. The test time to provide adequate reliability assurance under normal operating conditions is too long.
Answer: D
NEW QUESTION 145
Which of these terms is commonly used as the probability of rejecting material produced at an unacceptable quality level?
Response:
- A. β only
- B. 1 - α only
- C. α only
- D. 1 - β only
Answer: D
NEW QUESTION 146
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. Design supervisor.
- B. Reliability engineer.
- C. Designer only
- D. Management team.
Answer: B
NEW QUESTION 147
Which of the following is a model used for monitoring reliability growth?
Response:
- A. Arrehenius
- B. Duane
- C. Lognormal
- D. Normal
Answer: B
NEW QUESTION 148
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. 43 hrs
- D. 37.6 hrs
Answer: B
NEW QUESTION 149
Which of the following can be used to determine the MTTR?
Response:
- A. Mean time between maintenance actions.
- B. Mean maintenance action time.
- C. Mean time between failures and potential availability.
- D. Mean time between failures.
Answer: C
NEW QUESTION 150
The influence of FMEA on reliability is maximized at which of the following stages of development?
Response:
- A. Operation.
- B. Test.
- C. Prototype.
- D. Design.
Answer: D
NEW QUESTION 151
An employee is injured on the job. The employer has proven to have a good safety and health program.
Generally the employee has which of the following options available to him/her?
Response:
- A. Workman's compensation.
- B. Contributory negligence.
- C. Caveat venditor.
- D. Caveat emptor.
Answer: A
NEW QUESTION 152
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. 0.9852.
- B. 0.9721.
- C. 0.9866.
- D. 0.9575.
Answer: A
NEW QUESTION 153
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 technical failure.
- C. A limited success
- D. A technical success, but quality failure.
Answer: B
NEW QUESTION 154
Arrange the following failure data steps into the correct sequence from start to finish.
I. Verify the failure.
II. Identify and control the failure.
III. Investigate the failure.
IV. Provide corrective action and follow up.
V. Report the fail.
Response:
- A. I, II, V, III, IV
- B. II, V, I, III, IV
- C. III, II, V, I, IV
- D. I, II, III, IV, V
Answer: B
NEW QUESTION 155
Weibull analysis is a way to quickly and easily analyze field data or interval test data. The limits of the use of this technique include having a good estimate for the:
Response:
- A. Average quality of the production lots.
- B. MTBF.
- C. Expected life.
- D. Shape parameter.
Answer: D
NEW QUESTION 156
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 customer satisfaction immediately after purchase.
- C. It concerns product conformance with specifications.
- D. It concerns failures over time.
Answer: D
NEW QUESTION 157
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