Deck 5: Product Design

Question 1

Comparing a product or process against the best-in-class is known as reverse engineering.

Answer 1

False

Question 2

Establishing multifunctional design teams can help reduce the time-to-market.

Answer 2

True

Question 3

The final design consists of detailed drawings and specifications for the new product.

Answer 3

True

Question 4

Concurrent design is often aided by the use of technology.

Question 5

Modular design combines standardized building blocks,or modules,to create unique finished products.

Question 6

Form design refers to the physical appearance of a product.

Question 7

Using a cross-functional team to design new products is known as concurrent design.

Question 8

Comparing a product or process against the best-in-class is known as benchmarking.

Question 9

Dismantling and inspecting a competitor's product to identify design features that might be used to improve your own product is known as reverse engineering.

Question 10

To increase system reliability,redundant parts can be built in to back up a failure.

Question 11

One of the factors supporting the increase in new products has been advances in the technology available for designing products.

Question 12

The design process begins with understanding the customer and identifying customer needs.

Question 13

Concurrent design may involve simultaneously designing products and their production processes.

Question 14

One quantitative measure of maintainability is mean time to repair (MTTR).

Question 15

Products assembled in modules can be easier to repair and maintain.

Question 16

An effective design process matches product characteristics with customer requirements.

Question 17

A product's reliability is a function of the reliabilities of its component parts but not a function of how those parts are arranged.

Question 18

Creating preliminary design models that are quickly tested and either discarded or further refined is known as rapid prototyping.

Question 19

Modular design is one way to gain the benefits of standardization without losing the advantage of variety and uniqueness.

Question 20

Product design has a tremendous impact on the quality of a manufactured good or service.

Question 21

Product design technology has decreased the time to market for many new products thereby decreasing overall competition in the market.

Question 22

Quality Function Deployment (QFD)translates the voice of the customer into technical design requirements.

Question 23

Employing a systematic approach to analyzing the causes and effects of product failures is known as design for manufacture (DFM).

Question 24

Collaborative product design (CPD)software provides interconnectivity among members of a product's supply chain.

Question 25

Products designed to withstand variations in operating conditions are said to be robust.

Question 26

Design for manufacture (DFM)is the process of designing a product so that it can be produced more easily and economically.

Question 27

Tolerances are allowable ranges of customer requirements.

Question 28

Value analysis is often utilized by a multifunctional product design team as part of design review.

Question 29

Design review involves identifying possible defects and the value added by each part or component.

Question 30

Product life cycle (PLM)systems maintain design data from product conception to retirement excluding minor design updates.

Question 31

Quality function deployment (QFD)consists of a series of matrix diagrams that define product design changes and the ramifications of implementing those changes.

Question 32

Incorporating the voice of the customer into technical product design requirements is known as quality function deployment (QFD).

Question 33

Computer-aided design (CAD)produces better products but always increases the time to design them.

Question 34

Worldwide,extended producer responsibility (EPR)is becoming an important factor influencing product design for personal computers and some household appliances.

Question 35

The quality loss function measures the cost of designing robust products.

Question 36

Extended producer responsibility (EPR)is a concept that holds companies responsible for their products following the products' useful lives.

Question 37

Reliability is the probability that a given part or product will perform its intended function for a specified length of time under adverse operating conditions.

Question 38

Design for the environment (DFE)is an important factor influencing product design for all North American products.

Question 39

The house of quality,the most popular quality function deployment (QFD)matrix,converts customer requirements into product design specifications.

Question 40

Computer-aided manufacturing (CAM)has replaced computer-aided design (CAD)in the product design process.

Question 41

Combining standardized building blocks in different ways to create unique finished products is known as

A)rapid prototyping.
B)robust design.
C)modular design.
D)concurrent design.

Question 42

If a product fails 10 times in 500 hours of operation,then its mean time between failures (MTBF)is

A)0.02 hour.
B)0.10 hour.
C)20 hours.
D)50 hours.

Question 43

The overall reliability of the following system is

A)0.787.
B)0.85.
C)0.89.
D)0.919.

Question 44

Creating a preliminary design that can be quickly tested and then either discarded or further refined is referred to as

A)benchmarking.
B)rapid prototyping.
C)concurrent design.
D)perceptual mapping.

Question 45

A company produces a product consisting of two components arranged as follows: If both components must function for the product to function,then the product's overall reliability is

A)0.950.
B)0.940.
C)0.930.
D)0.884.

Question 46

A company produces a product consisting of two components arranged as follows: If both components must function for the product to function,then the two components would need individual reliabilities of ___ to achieve an overall reliability of 0.90.

A)R₁ = 0.90 and R₂ = 0.90
B)R₁ = 0.95 and R₂ = 0.95
C)R₁ = 0.80 and R₂ = 0.80
D)R₁ = 0.85 and R₂ = 0.85

Question 47

Carefully dismantling and inspecting a competitor's product to look for design features that can be incorporated into your own product is known as

A)concurrent design.
B)design for manufacturability.
C)benchmarking.
D)reverse engineering.

Question 48

Which of the following is a quantitative measure of reliability?

A)reliability bar
B)maintainability
C)mean time between failures (MTBF)
D)mean time to repair (MTTR)

Question 49

A company produces a product consisting of two components arranged as follows: Both components must function for the product to function.To achieve an overall reliability of at least 0.95 without changing the reliability of the 1^st component,the reliability of the 2^nd component would need to be

A)at least 0.925.
B)at least 0.95.
C)at least 0.97.
D)at least 0.98.

Question 50

A product consists of three components arranged as follows: If all three components must function for the product to function,and the product's overall reliability must be at least 0.92,then the reliability of the first component,R₁,must be

A)at least 0.999.
B)at least 0.84.
C)at least 0.96.
D)at least 0.972.

Question 51

All of the following can improve a product's reliability except

A)simplifying product design.
B)improving individual component reliability.
C)changing the product warranty.
D)adding redundant components.

Question 52

Which of the following is not a characteristic of an effective product design process?

A)matches product characteristics with customer requirements
B)maximizes the revisions necessary to make a design workable
C)ensures that customer requirements are met in the least costly and simplest manner
D)reduces the time required to design a new product or service

Question 53

All of the following are characteristics of an effective design process except

A)increasing the design time for new products and services.
B)meeting customer requirements in the least costly manner.
C)matching product or service characteristics with customer requirements.
D)minimizing the number of revisions needed to make the design workable.

Question 54

The probability that a product will perform its intended function for a specified length of time under normal conditions is called

A)benchmarking.
B)perceptual mapping.
C)maintainability.
D)reliability.

Question 55

The design process begins with

A)a feasibility study.
B)a form design.
C)understanding the customer and identifying customer needs.
D)pilot runs and final tests.

Question 56

A product consists of three components arranged as follows: If all three components must function for the product to function then the product's overall reliability is approximately

A)0.812.
B)0.90.
C)0.933.
D)0.95.

Question 57

Simultaneously designing new products and the processes to produce them is known as

A)concurrent design.
B)functional design.
C)modular design.
D)standardization.

Question 58

The allowable range of the variation in a part's design specification is called the signal-to-noise ratio.

Question 59

For the overall reliability of the following system to be 0.975 or greater,the reliability of the backup component,R_b, must be

A)at least 1.00.
B)at least 0.896.
C)at least 0.736.
D)at least 0.534.

Question 60

The overall reliability of the following system is

A)greater than 1.00.
B)0.95.
C)0.90.
D)0.898.

Question 61

Briefly discuss three performance characteristics considered during the functional design phase of a product.

Question 62

If a piece of equipment has a mean time between failures (MTBF)of 500 hours with a mean time to repair (MTTR)of 10 hours,then its uptime or average availability would be

A)0.020 or 2.00%.
B)0.980 or 98.00%.
C)0.500 or 50.00%.
D)1.000 or 100.00%.

Question 63

The Taguchi Quality Loss Function implies that a

A)customer's dissatisfaction increases geometrically as the actual value deviates from the target value.
B)customer's satisfaction increases geometrically as the actual value deviates from the target value.
C)customer's dissatisfaction decreases geometrically as the actual value deviates from the target value.
D)customer's preferences are strongly oriented towards conforming to specifications.

Question 64

Functional design includes all the following except

A)reliability.
B)usability.
C)form design.
D)maintainability.

Question 65

The ability to meet present needs without compromising those of future generations is a.concept in product design known as

A)reusability.
B)maintainability.
C)reliability.
D)sustainability.

Question 66

All of the following are principles of green product design except

A)use new materials.
B)use less materials.
C)involve the entire supply chain.
D)change the paradigm of design.

Question 67

A structured process that translates the voice of the customer into technical design requirements is known as

A)quality function deployment (QFD).
B)failure mode and effects analysis (FMEA).
C)concurrent design.
D)robust product design.

Question 68

When a product is designed to withstand variations in environmental and operating conditions it is known as a

A)robust design.
B)design for change.
C)design for modification.
D)design for tolerance.

Question 69

Fault tree analysis (FTA)is

A)a software systems that uses computer graphics to assist in designing products.
B)a systematic approach to analyzing the causes and effects of product failures.
C)a visual method for analyzing the interrelationships among failures.
D)a structured process that translates the voice of the customer into technical design requirements.

Question 70

Which of the following techniques would most likely be used to systematically analyze product failures?

A)concurrent design
B)quality function deployment
C)failure mode and effects analysis
D)value analysis

Question 71

Failure mode and effects analysis (FMEA)is

A)a software systems that uses computer graphics to assist in designing products.
B)a systematic approach to analyzing the causes and effects of product failures.
C)a visual method for analyzing the interrelationships among failures.
D)a structured process that translates the voice of the customer into technical design requirements.

Question 72

The system availability for a system with a mean time between failures (MTBF)of 1000 hours and a mean time to repair (MTTR)of 50 hours would be

A)100.00%.
B)97.50%.
C)95.24%.
D)4.76%.

Question 73

Which of the following will not improve design for manufacture and assembly?

A)minimizing the number of parts and subassemblies
B)using standard parts when possible
C)designing parts for limited,unique uses
D)designing parts for many,varied uses

Question 74

Which of the following is a quantitative measure of maintainability?

A)design for manufacture (DFM)
B)mean time to repair (MTTR)
C)mean time between failures (MTBF)
D)quality function deployment (QFD)

Question 75

What role does simplification play in the design process?

Question 76

Quality function deployment(QFD)is

A)a software systems that uses computer graphics to assist in designing products.
B)a systematic approach to analyzing the causes and effects of product failures.
C)a visual method for analyzing the interrelationships among failures.
D)a structured process that translates the voice of the customer into technical design requirements.

Question 77

As a part of design for robustness,Taguchi believes that

A)consistent errors can be more easily corrected than random errors.
B)parts within tolerance limits may produce assemblies that are not within limits.
C)consumers have a strong preference for product characteristics near their ideal value.
D)all of the above.

Question 78

Design for the environment includes all the following except

A)design for disposal or reuse.
B)sustainability.
C)extended producer responsibility (EPR).
D)environmentally safe pollutants (ESP).

Question 79

Briefly discuss the characteristics of an effective design process.

Question 80

What does a feasibility study consist of and how is it related to the design process?