Deck 4: Product Design

Question 1

An effective design process matches product characteristics with customer requirements.

Answer 1

True

Question 2

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

Answer 2

True

Question 3

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

Answer 3

True

Question 4

Form design refers to the physical appearance of a product.

Question 5

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

Question 6

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

Question 7

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

Question 8

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

Question 9

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 10

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

Question 11

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 12

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

Question 13

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

Question 14

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

Question 15

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

Question 16

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

Question 17

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

Question 18

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

Question 19

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

Question 20

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 21

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

Question 22

Design for the environment DFE)is an important factor influencing product design for all U.S.products.

Question 23

Tolerances are allowable ranges of customer requirements.

Question 24

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

Question 25

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

Question 26

Concurrent design is often aided by the use of technology.

Question 27

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

Question 28

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

Question 29

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

Question 30

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

Question 31

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

Question 32

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

Question 33

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

Question 34

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

Question 35

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

Question 36

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

Question 37

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

Question 38

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

Question 39

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

Question 40

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

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

Quality function deploymentQFD)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 43

A product consists of three components arranged as follows:
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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 44

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 45

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 46

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 47

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 48

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 49

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 50

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 51

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 52

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 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

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 55

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 56

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 57

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

Question 58

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 59

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 60

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 61

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 62

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 63

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

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

Question 64

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 65

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 66

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 67

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

A)Robust design
B)Design for change
C)Design for modification
D)Design for tolerance

Question 68

Functional design includes all the following except

A)Reliability
B)Usability
C)Form design
D)Maintainability

Question 69

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 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

The overall reliability of the following system is

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

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

The overall reliability of the following system is

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

Question 74

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 75

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