Latest [Feb 06, 2022] ASQ CRE Exam Practice Test To Gain Brilliante Result
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NEW QUESTION 143
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, II and III
- B. I and III only
- C. I only
- D. I and II only
Answer: A
NEW QUESTION 144
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. II only
- B. I, II and III
- C. I and III only
- D. I only
Answer: A
NEW QUESTION 145
A series system whose reliability at 5 hours is 0.80, has three components with these historical constant failure rates:
λ 1 = failure rate for component 1 = 0.04 failures/hour
λ 2 = failure rate for component 2 = 0.07 failures/hour
λ 3 = failure rate for component 3 = 0.01 failures/hour
Three of the four answers are the three component reliabilities at 5 hours. Which is incorrect?
Response:
- A. 0.9816
- B. 0.9123
- C. 0.8780
- D. 0.9283
Answer: B
NEW QUESTION 146
A key distinction between Taguchi designed experiments and classical designed experiments is that Taguchi designs Response:
- A. Are full-factorial and classical designs are not.
- B. Do not rely on randomization and classical experiments do.
- C. Are not orthogonal and classical designs are.
- D. Include 2-level factors and classical design do not.
Answer: B
NEW QUESTION 147
Which of the following action will help eliminate the effects of extraneous factors in a designed experiment?
Response:
- A. Fractionating the experiment.
- B. Selecting factor levels.
- C. Repeating the experiment under different conditions.
- D. Randomizing the experiment.
Answer: D
NEW QUESTION 148
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: D
NEW QUESTION 149
Which of these terms is commonly used as the probability of rejecting material produced at an unacceptable quality level?
Response:
- A. β only
- B. α only
- C. 1 - β only
- D. 1 - α only
Answer: C
NEW QUESTION 150
A go/no-go device is tested until it fails. If X is the number of tests to first failure with no wear out present, and the probability of success on each test is .99, then the probability that X is greater than 5 is:
Response:
- A. 0.9610
- B. 0.9410
- C. 0.9310
- D. 0.9510
Answer: D
NEW QUESTION 151
What is the general use of an R chart?
Response:
- A. To determine the variance of the process.
- B. To determine if the process is in control.
- C. To determine if the process mean is in control.
- D. To determine if the process variance is in control.
Answer: D
NEW QUESTION 152
Which of the following is the BEST approach to recover product reliability from manufacturing?
Response:
- A. Reduce product variability.
- B. Improve the suppler selection process.
- C. Reduce scheduled product maintenance.
- D. Increase receiving inspection
Answer: A
NEW QUESTION 153
Develop the fault tree analysis for a candy dispensing machine. There are two contributing subsystems, both of them must fail for the system to fail. The electronic release has Pf = 0.04 and the coil spring release has Pf = 0.06. What is the system's probability of failure?
Response:
- A. 0.0024
- B. 0.0124
- C. 0.0098
- D. 0.0100
Answer: A
NEW QUESTION 154
Derating a component to 50 percent of its operating value will generally decrease its failure rate by a factor of:
Response:
- A. Greater than 10 percent but less than 30 percent.
- B. Greater than 50 percent.
- C. Greater than 30 percent.
- D. Less than 10 percent.
Answer: C
NEW QUESTION 155
What is the MOST accurate method to verify that the maintainability requirement of a design is being met?
Response:
- A. By analysis of the design.
- B. By demonstration at the customer's facility.
- C. By performing maintainability prediction.
- D. By thorough design reviews.
Answer: B
NEW QUESTION 156
In a design team environment, the reliability function can influence product reliability principally by:
Response:
- A. Developing reliability tests and procedures.
- B. Providing repair and maintenance service information.
- C. Integrating the reliability requirements into product design.
- D. Conducting internal and external failure analyses.
Answer: C
NEW QUESTION 157
In which of the following situation is it NOT advantageous to use Bayesian in reliability calculation?
Response:
- A. When both objective and subjective information must be used
- B. When no prior information is available.
- C. When each piece of new information will arrive in random error.
- D. When both continuous and discrete data will be used.
Answer: B
NEW QUESTION 158
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. Reliability trouble shooting, data collection and analysis.
- D. Communication, co-operation, and technical knowledge.
Answer: D
NEW QUESTION 159
From a company's point of view, which of the following costs would be LEAST appropriate for determining the cost of reliability?
Response:
- A. Reliability training
- B. Life testing.
- C. Warranty cost.
- D. Equipment depreciation.
Answer: D
NEW QUESTION 160
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. Designer only
- B. Reliability engineer.
- C. Design supervisor.
- D. Management team.
Answer: B
NEW QUESTION 161
System-safety analytical techniques include all EXCEPT:
Response:
- A. Fault tree analyses.
- B. Design readiness reviews.
- C. Logic diagram analysis.
- D. Hazard analyses.
Answer: B
NEW QUESTION 162
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.
The system is released without improvements and the company receives the multimillion dollar order from an external customer. The customer then requests evidence of the reliability growth. Which of the following actions by the engineer would be MOST appropriat?
Response:
- A. Revisit the original data and project artificial reliability growth to satisfy the customer's request.
- B. Arrange a meeting with the customer and discuss all past occurrences
- C. Ask the department manager to respond to the customer's request.
- D. Arrange a meeting with the department manager and upper management to discuss the reliability report.
Answer: D
NEW QUESTION 163
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