CRE Exam Questions

Which process has as its principle parts - Defining the system. - Establishing the reliability model. - Assigning failure rates to the equipment involved. - Computing the reliabili...

Highly repetitive operations should be assigned to:

Which of the following is the main advantage of a step stress test?

What is the MOST important role performed by a failure review board?

What type of failure is usually reduced by periodic overhaul and replacement of component parts?

It is of primary importance that the choice of the time-to-failure distribution to represent a particular reliability situation be based on:

An undesired event in a system led to the below fault tree. Which of the following are the cut sets of the fault tree?

Which of the following calculation is used to determine the overall tolerance for the serial combination of the component?

Risk management includes which of the following?

Regarding computer hardware and software reliability, which of the available answers would NOT enhance software reliability?

The success of the FMEA is principally dependent on:

Equivalence class partitioning is:

Specifications are written on parts to:

When a defense is prepared for a product liability action, all of the following would be considered elements of the assumption of risk the plaintiff must have EXCEPT:

A failure that occurs without being caused by the failure of any other item is known as:

A design review committee has recommended changes to a proposed design. Whose job is it to investigate and incorporate the ideas that will aid product reliability?

In which of the following situation is it NOT advantageous to use Bayesian in reliability calculation?

Preventive maintenance is characterized by:

A failure reporting and corrective action system should ensure that all steps are taken to:

Which of the following is TRUE about the self-assessment a team uses when implementing concurrent engineering?

A system is made up to several identical parts of varying age. The reliability of each of these parts is given by R( t) = e - t where is the failure rate in failures per hour and t...

Maintainability is:

Design reviews should have sufficient information available to make their meetings worthwhile. Formal controls (specifications, drawing controls, etc.) should begin with the first...

A plastics plant operates 8 extruders producing plastic film. Production volume requirements cannot be met if less than 6 extruders are operating. There is a .30 probability that a...

In the House of Quality, the principal matrix shows the relationship between:

What is the MOST accurate method to verify that the maintainability requirement of a design is being met?

Which of the following action will help eliminate the effects of extraneous factors in a designed experiment?

Large power generating stations frequently have auxiliary turbine generators operating at speed. They do not produce power but act as back-ups. This type of redundancy is known as:

Which of the following FTA statements is NOT true?

Pascal's triangle presents a simple means of determining which of the various terms of the binomial expansion?

Which of the following is the BEST approach to recover product reliability from manufacturing?

Reliability can be specified in terms of all of the following EXCEPT:

A substantial fraction of the usual design effort need NOT be devoted to a reliability program.:

Which of the following BEST describe a critical item in reliability?

In general, one should select the highest component parameter ratings feasible so that:

The primary aim of sequential-life testing is to determine

In an elevated-temperature test on an electronic system, which of the following models is used to calculate the acceleration factor?

According to the Reliability Analysis Center, which of the following design objectives is NOT supported by reliability and maintainability contributing tasks?

All of the following statements concerning statistical inference are true EXCEPT:

A randomly failing component is tested to r failures, and n observations are made. Degrees of freedom for calculating confidence limits on the mean should be:

An intelligent and good reliability program plan is one that:

Who should be chairperson of a design review committee?

The investment in automated test equipment is often justified under which of the following circumstances

Which of the following is best defined as the practice of using parallel components and subsystems?

Reliability prediction is:

Which of the following techniques is NOT used when derating parts to enhance their overall reliability?

Which of the following is NOT an objective of a data collection program?

Which of the following forms of reliability data will BEST provide valuable information on product usage and reliability?

What is the general use of an R chart?

Failure modes and effects analysis involves what activity?