CRE試験無料問題集（456題）「ASQ Certified Reliability Engineer (CRE) 認定」

出題：1

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 C

B. option A

C. option D

D. option B

正解：A 解答を投票する

出題：2

Which one of the following quantitative methods does NOT apply to the assessment of actual system/component reliability?
Response:

A. Evaluation of laboratory and acceptance test data.

B. Statistical analysis of field test data.

C. Analysis of result for reliability demonstration test.

D. Statistical allocation of reliability goals.

正解：D 解答を投票する

出題：3

Which of the following is the MOST effective technique for prioritizing critical factors for problem- solving?
Response:

A. Cause-and-effect diagram

B. Scatter diagram.

C. Venn diagram

D. Pareto diagram

正解：D 解答を投票する

出題：4

In 4 flips of a coin the probability of two heads and two tails (in any order) is:
Response:

A. 1/2

B. 7/16

C. 9/16

D. 3/8

正解：D 解答を投票する

出題：5

In an analysis of variance, which of the following distributions is the basis for determining whether the variance estimates are all from the same population?
Response:

A. Student's t

B. F

C. Normal

D. Chi square.

正解：B 解答を投票する

出題：6

All of the following statements are TRUE about confidence interval EXCEPT Response:

A. A smaller sample size would yield a larger width

B. The width indicate the uncertainty in estimates.

C. A larger sample size would yield a smaller width

D. The width does not depend on the confidence level.

正解：D 解答を投票する

出題：7

The ASQ code of ethics require all of the following of its member EXCEPT Response:

A. Aiding other members by disclosing technical processes to solve complex problems.

B. Promoting the reliability and safety of products within their jurisdiction

C. Aiding in the professional development and advancement of subordinates

D. Being honest and impartial in relationships with employers, clients, and the public.

正解：A 解答を投票する

出題：8

The MOST valid source of failure rate data is:
Response:

A. Operational data.

B. The manufacturing process.

C. Environmental test data.

D. Test data obtained under very closely controlled conditions.

正解：A 解答を投票する

出題：9

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. Ra Rb [1 - (1 - Rd) (1 - Re)] Rc (1 - Ra) Rb [1 - (1 - Rd) (1 - Re)]

B. Ra Rc [1 - (1 - Rd) (1 - Re)] + (1 - Ra) Rb Rc [1 - (1 - Rd) (1 - Re)]

C. Ra Rc [1 - (1 - Rd Re)] + (1 - Ra) Rb Rc [1 - (1 - Rd) (1 - Re)]

D. [1 - (1 - Ra Rb)] Rc [1 - (1 - Rd Re)]

正解：B 解答を投票する

出題：10

In which of the following distribution is the standard deviation equal to the mean?
Response:

A. Negative binomial.

B. Binomial.

C. Poisson.

D. Exponential.

正解：A 解答を投票する

出題：11

Given mean-time-to-failure of 200 hours for each of two components, what is the probability of failure if both components operate in series for one hour?
Response:

A. P = 0.990

B. P = 0.001

C. P = 0.010

D. P = 0.002

正解：C 解答を投票する

出題：12

The two principal measures of failure during risk assessment are which of the following?
Response:

A. Failure mode and failure mechanism.

B. Failure severity and failure probability.

C. Failure method and failure mode.

D. Failure analysis and failure effects.

正解：B 解答を投票する

出題：13

For equal length missions an increase in the MTBF will yield:
I. An increase in availability.
II. An increase in reliability.
III. A decrease in reliability.
IV. A decrease in availability.
Response:

A. III and IV

B. III

C. I and II

D. I

正解：C 解答を投票する

出題：14

For complex electronics systems, the major contributor to repair time is generally:
Response:

A. Diagnosis.

B. Disassembly/reassembly.

C. Remove/replace.

D. Final checkout.

正解：A 解答を投票する

出題：15

Specifications are written on parts to:
I. Enable procurement to buy usable parts.
II. Establish mechanical, functional, environmental and reliability requirements.
III. Provide inspection criteria.
Response:

A. All of the above.

B. II

C. I and II

D. I

正解：A 解答を投票する

出題：16

Product safety standards do NOT include:
Response:

A. Evaluation requirements for product safety testing.

B. Performance requirements for products.

C. Product requirements laws passed by government

D. Requirements for general, equipment and component safety.

正解：B 解答を投票する

出題：17

The reliability manager or engineer attend and participate in :
Response:

A. The later design review meetings that discuss production issues.

B. Design review meetings where life-cycle-costs are discussed.

C. The initial design review meetings.

D. All of the design review meetings.

正解：D 解答を投票する

出題：18

For human factors testing, the reliability engineer should understand and consider which of the following?
I. Sight capabilities.
II. Touch capabilities.
III. Audio capabilities.
IV. Thermal capabilities.
V. Vibration capabilities.
Response:

A. I, II, III, IV

B. II, III IV, V

C. I, II, III

D. I, II, III, IV, V

正解：D 解答を投票する

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