3. Product, Process and Service Design

Question 1

What do the following stages define?

1. Product Planning
2. Assembly/Part Deployment
3. Process Planning
4. Process Quality Control

Answer 1

Quality Function Deployment

Question 2

Which configuration is described: successful operation is dependent on the successful operation of each subsystem

Answer 2

Series Configuration

Question 3

Which process is described below:

1. Analysis
2. Apportionment
3. Prediction

Answer 3

Reliability Quantification Process

Question 4

Which distribution would Time to Failure follow?

Answer 4

Normal

Question 5

What is the most important factor in differentiating between effective and ineffective implementation of FMECA?

Answer 5

Timeliness

Question 6

Which distribution would describe machine downtime and repair?

Answer 6

Lognormal

Question 7

What are the two types of FMEA failures?

Answer 7

1. Design Failure

2. Process Failure

Question 8

Translating customer needs to product specifications describes what?

Answer 8

Quality Function Deployment (QFD)

House of Quality

Question 9

Who has these responsibilities?

Assist in defining tolerances and requirements
Help ensure an understanding of critical characteristics
Provide testing and reliability information
Determine if additional measurement equipment will be necessary

Answer 9

Quality Engineers

Question 10

What contains the necessary info to understand a drawing?

Answer 10

Title Block

Question 11

The probability that the unit will not fail by any given time

Answer 11

Probability Density Function

R(t1) = 1 - F(t1)

Question 12

This distribution is used when we’re not sure what distribution to use in calculating reliability

Answer 12

Weibull Distribution
B<1 : Failure rate decreasing
B=1 : Failure rate constant
B>1 : Failure rate increasing

Question 13

What is the measure of the reliability of a non-repairable unit while being used during its useful life

Answer 13

Mean Time to Failure (MTTF)

Question 14

What is the measure of the reliability of a repairable unit while being used during its useful life?

Answer 14

Mean Time Between Failure (MTBF)

Question 15

What is the measure of the maintainability of a repairable unit while being used during its useful life?

Answer 15

Mean Time to Repair (MTTR)

Question 16

Term that described the probability that a unit will be ready for use at a stated instant of time based on the combined aspects of reliability and maintainability

Answer 16

Availability

Question 17

Shows trends of the population failure rate as product ages

Answer 17

Bathtub Curve

Question 18

Which Analysis?

• Recognize and evaluate a failure and the effects that failure has on the system
• Identify actions that could eliminate the failure, reduce the probability the failure occurs, or reduce the criticality of the failure on the system or its users
• Document the process

Answer 18

Failure Mode and Effects Analysis (FMEA)