[Apr-2022] Feel ASQ CRE Dumps PDF Will likely be The best Option [Q136-Q153]

NO.136 In 4 flips of a coin the probability of two heads and two tails (in any order) is:
Response:

NO.137 In general, reliability testing is performed for which of the following reasons?
I. To detect unanticipated failure modes.
II. To compare estimated failure rates to actual failure rates.
III. To monitor reliability growth over time.
IV. To meet or exceed customer expectations.
Response:

NO.138 A company has produced a new module. The failure data on 40 returns are shown below.

If the time to failure follows a normal distribution, what is the probability that time to failure exceeds 20 hours ?
Response:

NO.139 The optimum cost point for total life cycle costs occurs:
Response:

NO.140 Which of the following action will help eliminate the effects of extraneous factors in a designed experiment?
Response:

NO.141 In the bath curve model, which one of the sections represents the period when catastrophic failure are likely to occur?
Response:

NO.142 The investment in automated test equipment is often justified under which of the following circumstances Response:

NO.143 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.144 In order to attain a high order of series reliability:
Response:

NO.145 When assessing failures during a reliability test program, which of the following should a reliability engineer consider first?
Response:

NO.146 Which of the following techniques is NOT used when derating parts to enhance their overall reliability?
Response:

NO.147 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.148 Laboratory tests of a new polymer prototype yielded the following proportions of a critical compound:
4.2 ppm, 4.1 ppm, 4.7 ppm, 4.9 ppm, 5.3 ppm
What is the sample standard deviation?
Response:

NO.149 When failed field item are returned for failure investigation, which of the following steps should be taken first?
Response:

NO.150 A system is turned off every 30 days for 5 minutes for on line maintenance. If the probability of system failure due to hardware failure is negligible, what is the system’s unavailability?
Response:

NO.151 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:

NO.152 Which of the following is NOT an appropriate element in the definition of availability?
Response:

NO.153 All of the following statements concerning statistical inference are true EXCEPT:
Response: