CRE Practice Test Questions Answers Updated 456 Questions
CRE dumps & ASQ Certification Sure Practice with 456 Questions
NEW QUESTION # 183
Experimental design plans usually call for testing a number of factors and keeping all other conditions as nearly constant as possible.
Taguchi Methods call for similar techniques, but with a twist. Noise conditions are changes a bit to determine robustness. Where are the noise factors placed?
Response:
- A. Inner array.
- B. Quadratic array.
- C. Control array.
- D. Outer array.
Answer: D
NEW QUESTION # 184
When assessing failures during a reliability test program, which of the following should a reliability engineer consider first?
Response:
- A. The hazard rate is increasing.
- B. The capability of test equipment
- C. The hazard rate is constant
- D. The hazard rate is decreasing.
Answer: C
NEW QUESTION # 185
Which of the following is TRUE about an effective safety system?
Response:
- A. It is an integral part of top management responsibilities.
- B. It reduce the hazards through a feedback system.
- C. It depends on conformance to OSHA standards.
- D. It identifies risks as hazards occur.
Answer: A
NEW QUESTION # 186
Which of the following is TRUE about the self-assessment a team uses when implementing concurrent engineering?
Response:
- A. It provides a "snapshot" of the team's status or needs.
- B. It is a strategic planning tool.
- C. It is a required part of the process documentation.
- D. It is a means of comparing teams in different organization.
Answer: A
NEW QUESTION # 187
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. 0.9410
- B. 0.9610
- C. 0.9510
- D. 0.9310
Answer: C
NEW QUESTION # 188
Reliability data is rarely complete. 50 units are placed on test for 50 hours. During the test several units fail. The remaining units are removed from testing at that point.
Which of the following type(s) of censoring has (have) occurred?
I. Right censoring.
II. Single censoring.
III. Time censoring.
IV. Type I censoring.
Response:
- A. I, III and IV only
- B. II and III only
- C. I, II, III and IV
- D. I only
Answer: C
NEW QUESTION # 189
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. Defining the program plan.
- B. Design review.
- C. Predicting reliability.
- D. Demonstrating the reliability.
Answer: C
NEW QUESTION # 190
Failure data are analyzed and a proportion of items survive to the end of the test. Data on these types of samples are referred as:
Response:
- A. Parameter data
- B. Censored Data.
- C. Control data
- D. Non-parameter data.
Answer: B
NEW QUESTION # 191
Reliability can be specified in terms of all of the following EXCEPT:
Response:
- A. Cycles to failure.
- B. Stress to failure.
- C. Time to failure.
- D. Cost of failure
Answer: D
NEW QUESTION # 192
When a new system is being developed, which of the following will be LEAST effective in speeding up the system reliability growth process?
Response:
- A. Performing accelerating testing.
- B. Performing systems testing and component testing simultaneously.
- C. Attaining components reliability prior to the system test.
- D. Testing the system first to find the failed components.
Answer: D
NEW QUESTION # 193
Which of the following statements is TRUE nonrepairable items?
Response:
- A. Their primary unit of measure is failure severity.
- B. Reliability is the survival probability that failure of the items will not occur during the period of interest when more than one failure can occur
- C. Reliability is survival probability over the expected life of the items when only one failure can occur
- D. Their primary unit of measure is mean time to replace.
Answer: C
NEW QUESTION # 194
The BEST way to set an overall reliability goal is to:
Response:
- A. Write a specification calling for a product to have high reliability and incorporate it into a contract.
- B. Indicate who would be at fault if the desired reliability is not obtained during the warranty.
- C. Insist that the goal be expressed in terms of mean-time-between-failures for all components and assemblies.
- D. Put down specific numerical requirements for reliability statements of operating environments, and a definition of successful product performance.
Answer: D
NEW QUESTION # 195
The influence of FMEA on reliability is maximized at which of the following stages of development?
Response:
- A. Prototype.
- B. Design.
- C. Test.
- D. Operation.
Answer: B
NEW QUESTION # 196
Measures of availability include:
I. Effectiveness.
II. Inherent.
III. Achieved.
IV. Dependability.
V. Capability.
Response:
- A. I, III and IV
- B. III, IV and V
- C. II and III only
- D. II, III and IV
Answer: C
NEW QUESTION # 197
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: B
NEW QUESTION # 198
The MOST desirable outcome of an FMEA is
Response:
- A. An estimated of the detection number.
- B. A risk priority number
- C. A recommended action
- D. An estimated of the occurrence number.
Answer: C
NEW QUESTION # 199
The investment in automated test equipment is often justified under which of the following circumstances Response:
- A. Repair times must be short.
- B. Traceable records are required.
- C. Conformance records are required.
- D. Numerous tests must be performed.
Answer: D
NEW QUESTION # 200
Field data for 20 mechanical suspension systems showed 3 failure during the 12 month warranty period.
When failure occurred they were repair within 2 days and the system returned to operation. If the time of failure for the failed system were 4.4 moths, 6.3 months, and 10.7 months after placement in the field, what is the 90% lower confidence estimate on MTBF?
Response:
- A. 33.7 months
- B. 43.5 months
- C. 4.1 months
- D. 35.9 months
Answer: D
NEW QUESTION # 201
A high incidence of failures has developed during aircraft acceptance testing. The identified failure is that an instrument panel light has malfunctioned on 6 of the last 10 aircraft tested.
This problem needs to be investigated and a Failure Reporting and Corrective Action System (FRACAS) needs to be completed without stopping aircraft production.
If the cause of the failure is determined to be a faulty subassembly manufactured only by a single supplier, and this situation is threatening to shut down aircraft production, the next step should be to Response:
- A. Update the inspection instruction and retrain receiving inspection.
- B. Initiate a supplier corrective action and return all of the unsorted inventory.
- C. Visit the supplier to assist in determining the root cause of the problem.
- D. Issue a Government and Industry Data Exchange Program (GIDEP) alert.
Answer: C
NEW QUESTION # 202
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