Latest ASQ CRE First Attempt, Exam real Dumps Updated [Oct-2021]
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NEW QUESTION 117
In order to attain a high order of series reliability:
Response:
- A. The number of parts must be kept to a minimum.
- B. The number of parts is insignificant if each part has a reliability of 99 percent of more.
- C. The number of parts must have a low failure variance.
- D. The number of parts must be increased.
Answer: A
NEW QUESTION 118
Which of the following reliability tests is conducted during the prototype stage?
Response:
- A. Demonstration test
- B. Qualification test
- C. Screening test.
- D. Acceptance test.
Answer: A
NEW QUESTION 119
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 120
A substantial fraction of the usual design effort need NOT be devoted to a reliability program.:
Response:
- A. When high reliability is specified.
- B. When the equipment is complex.
- C. When high reliability is not specified.
- D. When time is limited.
Answer: C
NEW QUESTION 121
A system is defined by the following reliability block diagram.
Which of the following block diagrams MOST simply represents the system reliability when Unit C is functioning?
Response:
- A. option A
- B. option D
- C. option C
- D. option B
Answer: C
NEW QUESTION 122
Product safety standards do NOT include:
Response:
- A. Requirements for general, equipment and component safety.
- B. Performance requirements for products.
- C. Product requirements laws passed by government
- D. Evaluation requirements for product safety testing.
Answer: B
NEW QUESTION 123
The main purpose of environmental stress screening is which of the following?
Response:
- A. To eliminate supplier inspections.
- B. To subject parts to extremes
- C. To eliminate infant mortality failures.
- D. To assist in the selection of standardized parts.
Answer: C
NEW QUESTION 124
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. Gathered for repairable systems.
- B. Exponentially distributed.
- C. Independently and identically distributed.
- D. Independently and normally distributed.
Answer: C
NEW QUESTION 125
What is the factor of safety for the material?
Response:
- A. 1.50
- B. 1.33
- C. 0.66
- D. 0.75
Answer: B
NEW QUESTION 126
When requesting "worst case" design analysis, you expect the reliability group to:
Response:
- A. Analyze the worst rejects.
- B. Determine whether product requirements can be met with subassemblies assumed at their worst combination of tolerances.
- C. Analyze only those products failing to meet specification requirements.
- D. Assume all subassembly tolerances are at their maximum limit.
Answer: B
NEW QUESTION 127
The following reliability block diagram shows components A, B, C, D and E with reliability Ra, Rb, Rc, Rd and Re, respectively. A or B are system entry points.
On the basis of this information, what is the reliability of the system?
Response:
- A. [1 - (1 - Ra Rb)] Rc [1 - (1 - Rd Re)]
- B. Ra Rb [1 - (1 - Rd) (1 - Re)] Rc (1 - Ra) Rb [1 - (1 - Rd) (1 - Re)]
- C. Ra Rc [1 - (1 - Rd) (1 - Re)] + (1 - Ra) Rb Rc [1 - (1 - Rd) (1 - Re)]
- D. Ra Rc [1 - (1 - Rd Re)] + (1 - Ra) Rb Rc [1 - (1 - Rd) (1 - Re)]
Answer: C
NEW QUESTION 128
Fifteen(15) motors were tested for a total of 1,200 cumulative hours, with four failure occuring. The test was then failure-truncated. If the failure rate is assumed to be constant, what is the 95% lower confidence limit of MTBF?
Response:
- A. 609 hours
- B. 131 hours.
- C. 155 hours.
- D. 876 hours.
Answer: C
NEW QUESTION 129
Maintainability is:
Response:
- A. Performing adequate maintenance on a system.
- B. The probability of a system being restored to functional operation within a given period of time.
- C. Probability of survival of a system for a given period of time.
- D. Maintaining a machine in satisfactory working condition.
Answer: B
NEW QUESTION 130
Derating a component to 50 percent of its operating value will generally decrease its failure rate by a factor of:
Response:
- A. Less than 10 percent.
- B. Greater than 10 percent but less than 30 percent.
- C. Greater than 50 percent.
- D. Greater than 30 percent.
Answer: D
NEW QUESTION 131
Pascal's triangle presents a simple means of determining which of the various terms of the binomial expansion?
Response:
- A. Exponents
- B. Combinations
- C. Coefficients
- D. Permutations
Answer: C
NEW QUESTION 132
Customer feedback and data have been gathered on several new unknown failure modes, what would be an appropriate analysis tool to use on the data?
Response:
- A. Conduct a FMECA.
- B. Use a FTA.
- C. Use a pareto chart for failures.
- D. Perform a risk assessment.
Answer: D
NEW QUESTION 133
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