Study Guide: Product, Process, and Service Design

Question 1

Confirming that specified requirements have been fulfilled

Answer 1

Verification

Question 2

Used to determine whether predetermined specifications are being met

Answer 2

Validation

Question 3

Eliminate problems before they occur

Answer 3

Design for Six Sigma (DFSS)

Question 4

Probability that a randomly selected unit will fail at time t
or
Fraction of all units in the population that fail by time t

Answer 4

Cumulative Distribution Function

Question 5

Hazard rate function h(t) defines

Answer 5

Instantaneous failure rate at time t

Question 6

Probability distribution with a constant failure rate

Answer 6

Exponential

Question 7

Policy that does not require repairs or preventative maintenance until a failure occurs (maximum run time between repairs)

Answer 7

Corrective maintenance policy

Question 8

This is recommended when the cost to repair after failure is greater than cost of maintaining before failure and the failure rate is increasing

Answer 8

Preventative Maintenance

Question 9

The 2nd region of a bathtub curve

Answer 9

Constant Failure (Exponential)

Question 10

3rd region of bathtub curve

Answer 10

Wear-Out (Weibull)

Question 11

Main goal of FMEA

Answer 11

Eliminate negative effects of failure before it occurs

Question 12

FMEA Components

Answer 12

Potential Failures
Risks Associated
Corrective Action
Documentation

Question 13

Risk Priority Number

Answer 13

Severity, Occurrence, Detection

Question 14

An assessment of risk that prioritizes corrective action based on severity and occurrence

Answer 14

FMECA