CRE無料問題集「ASQ Certified Reliability Engineer (CRE)」

質問 1

All of the following Boolean algebra expression is incorrect EXCEPT?
Response:

（A）1 - 1 = 1

（B）1 - 0 = 0

（C）1 + 1 = 2

（D）1 + 0 = 1

正解：D 解答を投票する

質問 2

Which of the following is a key element of an effective reliability growth program?
Response:

（A）Field generated engineering change orders.

（B）A failure reporting analysis and corrective action system.

（C）A field service support organization

（D）A reliability prediction program.

正解：B 解答を投票する

質問 3

Preventive maintenance programs are MOST effective when
Response:

（A）The hazard rate is decreasing.

（B）The hazard rate is constant.

（C）Random failure occur

（D）The hazard rate is increasing.

正解：D 解答を投票する

質問 4

The maintainability for a system is based on the
Response:

（A）Total repair time.

（B）Total preventive-maintenance time.

（C）Time to start up a redundant system.

（D）Operating time.

正解：A 解答を投票する

質問 5

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:

（A）0.445

（B）0.475

（C）0.498

（D）0.464

正解：C 解答を投票する

質問 6

There is a subtle difference between a standard parts program and a standardization program. A standardization program tends to emphasize:
Response:

（A）Limited part numbers.

（B）Limited suppliers.

（C）Limited part applications.

（D）Limited sizes.

正解：D 解答を投票する

質問 7

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）Censored Data.

（B）Parameter data

（C）Control data

（D）Non-parameter data.

正解：A 解答を投票する

質問 8

Design plans are BEST developed for product reliability with significant input from which of the following?
Response:

（A）General management.

（B）Quality management.

（C）Reliability management.

（D）The project team.

正解：D 解答を投票する

質問 9

The reliability goal for a complex system is 0.995. The predicted reliability for the system is 0.999 when one of the subsystems is functioning and 0.90 when that subsystem is not functioning. What is the minimum reliability for this subsystem to meet the system reliability goal?
Response:

（A）0.899

（B）0.998

（C）0.929

（D）0.960

正解：D 解答を投票する

質問 10

Which of the following is an analytical approach used during the manufacturing process where process conditions are changed systematically for the purpose of determining modifications required for product improvement?
Response:

（A）Taguchi method.

（B）Fractional factorial experiment design

（C）Statistical process control.

（D）Cause-and-effect analysis.

正解：C 解答を投票する

質問 11

Root cause analysis provides a common sense approach to evaluating a problem. Align the following action steps in proper sequence from start to finish.
I. Describe problem conditions.
II. Develop possible problem causes.
III. Collect facts and determine relationships.
IV. Validate the true problem causes.
V. Define the problem statement.
Response:

（A）V, I, III, II, IV

（B）. I, V, IV, II, III

（C）V, III, I, IV, II

（D）I, V, III, IV, II

正解：A 解答を投票する

質問 12

Specifically, up-time ratio is a measure of:
Response:

（A）Maintenance action rate.

（B）Maintainability

（C）Availability.

（D）Hazard rate.

正解：C 解答を投票する

質問 13

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）Independently and normally distributed.

（B）Gathered for repairable systems.

（C）Independently and identically distributed.

（D）Exponentially distributed.

正解：C 解答を投票する

質問 14

A reliability test of 12 pumps is terminated at 1000 hours. There were 5 failures as follows, what is the median rank % for the 4th failure ?

Response:

（A）24.48%

（B）25.62%

（C）29.84%

（D）40.00%

正解：C 解答を投票する

質問 15

The means of large samples from a population tend to be normally distributed around the population mean. This statement is TRUE according to which of the following theorems?
Response:

（A）Least squares.

（B）Central limit.

（C）Camp-Meidel.

（D）Tchebysheffs

正解：B 解答を投票する

質問 16

A systematic approach to analyze fault trees requires all of the following EXCEPT Response:

（A）System definition.

（B）Hierarchical diagram construction.

（C）Quantitative evaluation.

（D）Tolerance stack-up analysis

正解：D 解答を投票する

質問 17

The concept of accelerated cycling (or a burn-in program) for all devices for six months under normal operating conditions would:
Response:

（A）Be of little value.

（B）Assure an acceptable customer quality.

（C）Reduce premature failures in use.

（D）Improve constant failure rate probability.

正解：C 解答を投票する

CRE 無料問題集「ASQ Certified Reliability Engineer (CRE)」

弊社を連絡する

関連リンク

トップ試験