2023 Realistic Verified CRE exam dumps Q&As – CRE Free Update [Q80-Q103]

NO.80 According to the Arrhenius Model, the expected life of an electronic component should:
Response:

NO.81 An aggregate preventive maintenance program can greatly increase the overall availability of a system because of the Response:

NO.82 Failure occur on a system at 75, 79, 83, 85 hours. Assuming normality, one sided and unbiased the lower tolerance limit for 95% reliability with 90% confidence for this sample is:
Response:

NO.83 What is the MOST important role performed by a failure review board?
Response:

NO.84 The maintenance action rate (MAR) may be mandated by contract. If an extruder is run continuously and experiences 24 maintenance actions (downtown) in one year, what is the MAR?
Response:

NO.85 According to the Reliability Analysis Center, which of the following design objectives is NOT supported by reliability and maintainability contributing tasks?
Response:

NO.86 A system has components connected in active parallel. At least n – 1 of the components must operate for the system to function properly. Suppose the time to failure of each component has an exponential distribution with the same failure rate λ. The mean time to failure of this system is:
Response:

NO.87 A qualification test is used to determine that design and selected production methods will yield a product that conforms to specification.
An acceptance test is used to determine that a completed product conforms to design. On this basis, a destructive test can be used for:
Response:

NO.88 Which of the following is a discrete probability distribution?
Response:

NO.89 Under a cost of reliability model, which of the following factors is used to determine warranty costs?
Response:

NO.90 For the exponential model, the reliability at mean time to failure is about:
Response:

NO.91 All of the following activities would be appropriate during the design and development stage of a product’ life cycle EXCEPT:
Response:

NO.92 As the reliability engineer of a medium sized firm, you have developed a reliability test plan for the shop.
The shop manufactures products on a medium batch size basis. The batches range from 30 to 500 pieces per order. The test plan should include all of the following consideration EXCEPT Response:

NO.93 When a new system is being developed, which of the following will be LEAST effective in speeding up the system reliability growth process?
Response:

NO.94 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:

NO.95 The investment in automated test equipment is often justified under which of the following circumstances Response:

NO.96 What is the reliability of the logic diagram to the below?
(Assume statistical independence of all 3 components)

Response:

NO.97 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:

NO.98 To be accurate and easy to use, field-failure reports should have all of the following attributes EXCEPT Response:

NO.99 The reliability of a device comprised of various parts functioning in series is the:
Response:

NO.100 What is this system’s reliability at 700 hours?
Component failure data is : – Failure rate of A = 0.0007 failures/hr – Reliability of B = 0.92 – MTTF of C =
1400 hours – Reliability of D = 0.85.

Response:

NO.101 A standard parts program is likely to have which of the following positive and negative effects?

Response:

NO.102 A 2 level 5 factor experiment is being conducted to optimize the reliability of an electronic control module. A half replicate of the standard full factorial experiment is proposed. The number of treatment combinations will be Response:

NO.103 The primary aim of sequential-life testing is to determine
Response: