Latest [Oct 14, 2021] CRE Exam with Accurate Certified Reliability Engineer (CRE) PDF Questions
Take a Leap Forward in Your Career by Earning ASQ 265 Questions
NEW QUESTION 25
The use of PERT requires:
Response:
- A. Less data than a Gantt chart.
- B. The critical path to be known in advance.
- C. Slack times to be added to the critical path.
- D. Time estimates for each activity in the network.
Answer: D
NEW QUESTION 26
Using complete field-based data, a reliability engineer has analyzed the reliability growth of a repairable system over the last 24 months. The analysis suggests a "no growth" condition, and that finding is reported to management.
Due to a pending multimillion dollar order, management requests that a line be drawn to show growth where none actually exists. The engineer's department manager directs the engineer to comply with management request.
The system is released without improvements and the company receives the multimillion dollar order from an external customer. The customer then requests evidence of the reliability growth. Which of the following actions by the engineer would be MOST appropriat?
Response:
- A. Arrange a meeting with the department manager and upper management to discuss the reliability report.
- B. Arrange a meeting with the customer and discuss all past occurrences
- C. Ask the department manager to respond to the customer's request.
- D. Revisit the original data and project artificial reliability growth to satisfy the customer's request.
Answer: A
NEW QUESTION 27
A resistor is rated at 1 watt. One example of using this resistor in a derated condition is using:
Response:
- A. The resistor in a 2 watt application.
- B. Two of the resistors in series.
- C. The resistor in a 0.5 watt application.
- D. The resistor as a standby unit.
Answer: C
NEW QUESTION 28
All of the following Boolean algebra expression is incorrect EXCEPT?
Response:
- A. 1 + 1 = 2
- B. 1 - 0 = 0
- C. 1 + 0 = 1
- D. 1 - 1 = 1
Answer: C
NEW QUESTION 29
Arrange the following failure data steps into the correct sequence from start to finish.
I. Verify the failure.
II. Identify and control the failure.
III. Investigate the failure.
IV. Provide corrective action and follow up.
V. Report the fail.
Response:
- A. I, II, V, III, IV
- B. II, V, I, III, IV
- C. III, II, V, I, IV
- D. I, II, III, IV, V
Answer: B
NEW QUESTION 30
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. 0.9510
- B. 0.9610
- C. 0.9410
- D. 0.9310
Answer: A
NEW QUESTION 31
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. [1 - (1 - Ra Rb)] Rc [1 - (1 - Rd Re)]
- B. Ra Rb [1 - (1 - Rd) (1 - Re)] Rc (1 - Ra) Rb [1 - (1 - Rd) (1 - Re)]
- C. Ra Rc [1 - (1 - Rd) (1 - Re)] + (1 - Ra) Rb Rc [1 - (1 - Rd) (1 - Re)]
- D. Ra Rc [1 - (1 - Rd Re)] + (1 - Ra) Rb Rc [1 - (1 - Rd) (1 - Re)]
Answer: C
NEW QUESTION 32
Product reliability concerns the relationship of product function to:
Response:
- A. Time.
- B. Customer demands.
- C. Cost.
- D. Design.
Answer: A
NEW QUESTION 33
As a result of improper machining, a gear-tooth in a vehicle's transmission breaks causing the transmission to lock up and the vehicle to crash, injuring the driver. The failure mode in this case should be identified by the reliability engineer as the Response:
- A. Jammed transmission.
- B. Vehicle crash.
- C. Improper machining.
- D. Injured driver.
Answer: A
NEW QUESTION 34
Who should be chairperson of a design review committee?
Response:
- A. A senior member of management.
- B. The chief designer.
- C. The person best able to make decisions on a design.
- D. The reliability engineer.
Answer: C
NEW QUESTION 35
Preliminary hazard analysis:
I. Is a review of safety problems prior to production.
II. Is normally done at a time when there is little design detail.
III. Can be used to identify the principal hazards when the product is first conceived.
Response:
- A. I and II only
- B. III only
- C. I only
- D. I, II and III
Answer: D
NEW QUESTION 36
One of the descriptions of component failures can be explained by a mathematical model with a formula showing that the rate of chemical reaction varies exponentially with a rise in operating temperature.
This law is known as the:
Response:
- A. Poisson Law
- B. Arrhenius Law.
- C. Planck Law.
- D. Pareto Law
Answer: B
NEW QUESTION 37
A substantial fraction of the usual design effort need NOT be devoted to a reliability program.:
Response:
- A. When high reliability is specified.
- B. When the equipment is complex.
- C. When high reliability is not specified.
- D. When time is limited.
Answer: C
NEW QUESTION 38
Which of the following statements is TRUE about probability distributions?
Response:
- A. The variance is used to measure the central tendency
- B. The 3rd moment about the mean is used to measure the kurtosis
- C. 4th moment about the mean is used to measure the skewness
- D. The median is used to measure the central tendency
Answer: D
NEW QUESTION 39
Which of the following activities prioritizes failure modes based on probability of failure, severity, and consequences?
Response:
- A. FURPS.
- B. FTA
- C. FRACAS.
- D. FMEA
Answer: D
NEW QUESTION 40
As the reliability engineer overseeing supplier development, you review the supplier's corrective action problem solving guidebook. It is a structured approach and you notice in the problem definition segment that there is a reference to "is data" and "is not data".
You recognize that they are using a technique promoted and championed by:
Response:
- A. Kepner-Tregoe.
- B. Kaoru Ishikawa.
- C. Kaizen Principles.
- D. Deming's PDCA Cycle.
Answer: A
NEW QUESTION 41
Which of the following is a primary concern for a reliability engineer who uses publicly available sources for mechanical part-failure rates?
Response:
- A. Assuring that the data are in compliance with ISO standards.
- B. Finding appropriate data for each application.
- C. Recognizing that the quantity of such data is unlimited.
- D. Meeting parts-count requirements
Answer: B
NEW QUESTION 42
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