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Indicate whether the statement is true or false.
1. A typical scheme of the House of Quality uses the symbol Δ to denote a strong relationship between any pair of
technical requirements.
a.
True
b.
False
2. Redundancy in a parallel system increases the cost, size, and weight of the system.
a.
True
b.
False
3. The principles of axiomatic design help designers better apply tools such as TRIZ and quality function deployment.
a.
True
b.
False
4. Accelerated life testing involves overstressing components to reduce the time to failure and find weaknesses.
a.
True
b.
False
5. The Taguchi loss function can be used to set product design tolerances in an economical fashion.
a.
True
b.
False
6. Under quality function deployment (QFD), all operations of a company are driven by the voice of the customer, rather
than by edicts of top management.
a.
True
b.
False
7. Product designs with numerous parts decrease the incidence of part mix-ups, missing parts, and test failures.
a.
True
b.
False
8. The axiomatic design method of product development tends to reduce design time.
a.
True
b.
False
9. After basic technical requirements have been established in the product development process, designers must set
specific dimensional or operational targets and tolerances for critical manufacturing or service characteristics.
a.
True
b.
False
10. A type of product failure that occurs at the start of product life due to manufacturing or material defects such as a
missing connection or a faulty component is referred to as functional failure.
a.
True
b.
False
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11. A tolerance reserve or factor of safety in product design is needed to account for engineering uncertainty regarding the
maximum variation allowable and compatibility with satisfactory product performance.
a.
True
b.
False
12. Redundant components, when used in a parallel system, tend to decrease the reliability of the system.
a.
True
b.
False
13. In a series system, failure of an individual component is less critical than in a parallel system.
a.
True
b.
False
14. Wide tolerances in product design have a positive impact on product characteristics.
a.
True
b.
False
15. The quality function deployment tool increases the time for new product development.
a.
True
b.
False
16. Narrow tolerances in product design tend to raise manufacturing costs but they also increase the interchangeability of
parts within the plant and in the field, product performance, durability, and appearance.
a.
True
b.
False
17. One of the most significant barriers to efficient product development is the adaption of concurrent engineering within
an organization.
a.
True
b.
False
18. When decisions about the safety, life, serviceability, and maintainability of products are dominated by customer
requirements rather than by engineering considerations, poor designs that fail in the market are often the result.
a.
True
b.
False
19. The outcome of innovation in product development is a discontinuous or breakthrough change and results in new and
unique goods and services that delight customers and create competitive advantage.
a.
True
b.
False
20. The methodology of axiomatic design is based on the premise that good design is governed by laws similar to those in
natural science.
a.
True
b.
False
21. According to the theory of strict liability, anyone who sells a product that is defective or unreasonably dangerous is
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subject to liability for any physical harm caused to the user, the consumer, or the property of either.
a.
True
b.
False
22. In practice, product design reliability is determined by the number of failures per unit time during the duration under
consideration.
a.
True
b.
False
23. If an idea survives the concept stage of product development, the actual design process begins by evaluating design
alternatives and determining engineering specifications for all materials, components, and parts.
a.
True
b.
False
24. The idea generation phase of product development usually includes prototype testing, in which a model is constructed
to test the product’s physical properties or use under actual operating conditions.
a.
True
b.
False
25. Innovation is built upon strong research and development (R&D) processes.
a.
True
b.
False
Indicate the answer choice that best completes the statement or answers the question.
26. Which of the following activities included in the DMADV process focuses on developing detailed specifications,
purchasing requirements, and other activities, so that the concept can be produced?
a.
Measure
b.
Define
c.
Design
d.
Analyze
27. Which of the following symbols is used to denote a very strong relationship between any pair of technical
requirements in a typical House of Quality?
a.
*
b.
Δ
c.
Ο
d.
•
28. _____ is a methodology used in the product design process, developed by Dr. Nam Suh from MIT, which is based on
the premise that good design is governed by laws similar to those in natural science.
a.
Fault tree analysis
b.
Axiomatic design
c.
Design failure mode and effects analysis (DFMEA)
d.
Six Sigma
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29. Which of the following symbols is used to denote a weak relationship between any pair of technical requirements in a
typical House of Quality?
a.
•
b.
*
c.
Δ
d.
#
30. An electric component has a failure rate of λ = 0.0035 failure per hour. For this component, the mean time to
failure(ϴ) is
a.
356.8 hours.
b.
285.7 hours.
c.
532.7 hours.
d.
258 hours.
31. The matrix used by the quality function deployment to ensure that the voice of the customer is carried throughout the
production and delivery process is called the
a.
Hidden Factory.
b.
quincunx.
c.
Likert scale.
d.
House of Quality.
32. The product is distributed to customers in the _____ phase of product development.
a.
preliminary concept development
b.
market introduction
c.
idea generation
d.
full-scale production
33. Which of the following activities of the Design for Six Sigma (DFSS) ensures that the quality level and reliability
requirements of the product are achieved?
a.
Design verification
b.
Design optimization
c.
Detailed design
d.
Concept development
34. Which of the following activities of the Design for Six Sigma (DFSS) seeks to refine designs to identify and eliminate
potential failures, achieve high reliability, and ensure that it can be easily manufactured, assembled, or delivered in an
environmentally responsible manner?
a.
Detailed design
b.
Design verification
c.
Concept development
d.
Design optimization
35. New ideas are studied for feasibility in the _____ phase of product development.
a.
market evaluation
b.
product/process development
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c.
full-scale production
d.
preliminary concept development
36. Which of the following activities involved in the DMADV process involves prototype development, testing, and
implementation planning for production?
a.
Verify
b.
Measure
c.
Design
d.
Define
37. Which of the following activities included in the DMADV process is focused on concept development from
engineering and aesthetic perspectives and often includes the creation of drawings, virtual models, or simulations to
develop and understand the functional characteristics of the product?
a.
Measure
b.
Define
c.
Verify
d.
Analyze
38. Which of the following tests is conducted by Shure, Inc. to determine the ability of the stylus to withstand accidental
drops and side impacts?
a.
Microphone drop test
b.
Cartridge drop and scrape test
c.
Perspiration test
d.
Cable and cable assembly flex test
39. The DMADV process incorporates the principal activities of the Design for Six Sigma. Which of the following
activities included in DMADV focuses on identifying and understanding the market need or opportunity?
a.
Design
b.
Measure
c.
Analyze
d.
Define
40. The predicted reliability determined by the design of the product or process is called the _____ reliability.
a.
achieved
b.
perceived
c.
inherent
d.
nominal
41. Which of the following is a creativity tool that finds extensive use in product design?
a.
TRIZ
b.
Fault tree analysis
c.
Likert scale
d.
Cause-and-effect diagram
42. Which of the following is the first House of Quality matrix?
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a.
Customer requirement planning matrix
b.
Process operations matrix
c.
Technical requirement planning matrix
d.
Component characteristics matrix
43. Accelerated life testing involves
a.
using the fault tree analysis technique to find the defects in the product.
b.
using the TRIZ tool to identify faults in the design step of the product.
c.
overstressing components to reduce the time to failure and find weaknesses.
d.
finding the degree to which the product meets customer requirements.
44. Which of the following customer requirements was given the highest importance in the House of Quality that was
created as a result of the featured MCO’s quality function deployment study?
a.
Clarity
b.
Conciseness
c.
Timeliness
d.
Accuracy
45. In the context of the axiomatic design method, the information axiom states that
a.
good design occurs when the functional requirements of the design are independent of one another.
b.
developing specific requirements and design parameters such as specifications and tolerances leads to the
creation of a high-quality product.
c.
all the departments in an organization should be continuously involved with product development from
conception through sales.
d.
good design corresponds to minimum complexity.
46. Which of the following tools is most likely to be used for establishing technical design requirements that meet
customer needs and deploying them in subsequent production activities?
a.
Likert scale
b.
Quality function deployment
c.
Cause-and-effect diagram
d.
Fault tree analysis
47. Which of the following activities of the Design for Six Sigma (DFSS) focuses on creating and building a product idea
and determining its functionality based upon customer requirements, technological capabilities, and economic realities?
a.
Detailed design
b.
Design verification
c.
Concept development
d.
Design optimization
48. The first House of Quality relates
a.
component requirements to process operations.
b.
process operations to quality control plans.
c.
customer requirements to a product’s overall technical requirements.
d.
technical requirements of a product to component requirements.
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49. The final House of Quality relates
a.
process operations to component requirements.
b.
customer requirements to technical requirements.
c.
technical requirements to component requirements.
d.
process operations to quality control plans.
50. In the context of the axiomatic design method, the independence axiom states that
a.
good design occurs when the functional requirements of the design are independent of one another.
b.
developing specific requirements and design parameters such as specifications and tolerances leads to the
creation of a high-quality product.
c.
good design corresponds to minimum complexity.
d.
all the departments in an organization should be continuously involved with product development from
conception through sales.
51. _____ is the process of designing a product for efficient production at the highest level of quality.
a.
Design for manufacturability
b.
Concurrent engineering
c.
Design for disassembly
d.
Design for environment
52. Robust design refers to designing goods and services that
a.
make the most efficient use of the available resources.
b.
are insensitive to variation in manufacturing processes and when consumers use them.
c.
create a competitive advantage for the organization in the market.
d.
are the least costly to produce.
53. Which of the following activities included in the DMADV process gathers the voice of the customer, identifies the
vital characteristics that are most important to customers, and outlines the functional requirements of the product that will
meet customer needs?
a.
Design
b.
Analyze
c.
Measure
d.
Verify
54. _____ is a process in which all major functions involved with bringing a product to market are continuously involved
with product development from conception through sales.
a.
Organizational learning
b.
Concurrent engineering
c.
Six Sigma
d.
Axiomatic design
55. _____ is seeing things in new or novel ways.
a.
Flexibility
b.
Agility
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c.
Creativity
d.
Quality assurance
56. Which of the following phases of product development usually includes prototype testing?
a.
Product/process development
b.
Idea generation
c.
Full-scale production
d.
Market evaluation
57. _____ involves the adoption of an idea, process, technology, product, or business model that is either new or new to
its proposed application.
a.
Concurrent engineering
b.
Total quality management (TQM)
c.
Design optimization
d.
Innovation
58. Which of the following activities of the Design for Six Sigma (DFSS) focuses on developing specific requirements
and design parameters such as specifications and tolerances to ensure that the product fulfills the functional requirements
of the concept?
a.
Concept development
b.
Design verification
c.
Design optimization
d.
Detailed design
59. A personal computer system is composed of the processing unit, graphics board, and keyboard with reliabilities of
0.976, 0.785, and 0.893, respectively. This is a series system, so if one component fails, the computer will not function
correctly. The reliability of this system is
a.
0.684.
b.
0.953.
c.
2.654.
d.
0.857.
60. Which of the following is the first phase of a typical product development process?
a.
Product/process development
b.
Preliminary concept development
c.
Idea generation
d.
Market introduction
61. In the context of manufacturing specifications, the term “tolerance” refers to the
a.
target value that manufacturing seeks to meet.
b.
specification that best represents the requirements of the customer.
c.
specification that leads to the development of the least costly product.
d.
permissible variation, recognizing the difficulty of meeting a target consistently.
62. _____ is a method to describe combinations of conditions or events that can lead to a failure.
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a.
Axiomatic design
b.
Quality function deployment
c.
Fault tree analysis
d.
Total quality management
63. Describe the microphone drop test procedure used by Shure, Inc.
64. What helped Shure’s products to be known early on for their outstanding quality and durability?
65. Describe the perspiration test procedure used by Shure, Inc.
66. Describe the test used by Shure, Inc. to determine the ability of its product to withstand extreme temperatures for
extended periods of time.
67. Explain how the Absolute Quality Weight and the Percentage of Importance were determined in the House of Quality
created as a result of the featured MCO’s quality function deployment study.
68. List the key customer requirements identified by the featured managed care organization (MCO) while redesigning its
handbook.
69. What is the mission and philosophy of Shure, Inc.?
70. The featured managed care organization (MCO) used the quality function deployment (QFD) process to redesign its
handbook. Describe the two stages in which the focus group process was administered to obtain inputs for this QFD
process.
71. The featured managed care organization (MCO) used the quality function deployment (QFD) process in redesigning
its handbook. List the steps followed by the focus groups in giving input for this QFD process.
72. List the four different types of innovations classified by The Small Business Administration with examples.
73. List the six basic steps involved in building the House of Quality.
74. Describe the product/process development phase in a typical product development process.
75. Describe fault tree analysis.
76. Describe concurrent engineering.
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