Engineering Design Principles Quiz
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Questions and Answers

What is essential for the design team when working with potential subcontractors?

  • To minimize communication with other departments
  • To engage in complete knowledge across all disciplines (correct)
  • To avoid relying on external expertise
  • To develop narrow specialized knowledge

    • Which principle emphasizes the need for revisiting stages during the design process?

  • Responsibility
  • Compromise
  • Simplification
  • Iteration (correct)

    • What accurately describes an optimum solution in engineering design?

  • A solution that best satisfies the customer (correct)
  • The simplest solution possible
  • One that completely satisfies the designer's vision
  • A complex solution that addresses multiple needs

    • Why is detailed knowledge important for design engineers?

    <p>It complements their broad knowledge in various disciplines</p> Signup and view all the answers

    What do traditional academic courses tend to produce?

    <p>Individuals with deep knowledge in very narrow subjects</p> Signup and view all the answers

    Which of the following is NOT identified as an important element in engineering as a technology?

    <p>Theoretical math</p> Signup and view all the answers

    What is indicated as a common danger for engineering designers in their training?

    <p>Developing only broad knowledge without details</p> Signup and view all the answers

    What principle states that the simplest solution is usually preferred?

    <p>Simplification</p> Signup and view all the answers

    What type of communication exists between the sales and design departments?

    <p>Two way communication with continuous interaction</p> Signup and view all the answers

    Which statement correctly describes communication with the purchasing department?

    <p>One way communication where design provides technical information</p> Signup and view all the answers

    How do manufacturing departments contribute to the design process?

    <p>They attend design review meetings to provide feedback and request design changes</p> Signup and view all the answers

    What is the primary function of the commissioning and maintenance communication process?

    <p>To provide feedback to the design department regarding encountered problems</p> Signup and view all the answers

    What role do analysis/specialists have in the communication chain?

    <p>They are often consulted by the design team for their expertise</p> Signup and view all the answers

    What aspect defines concurrent engineering as mentioned in the context?

    <p>Design teams include manufacturing representatives in their meetings</p> Signup and view all the answers

    In what way is the development department linked to the design department in smaller companies?

    <p>They are merged into a single department due to their close relationship</p> Signup and view all the answers

    Why do companies often choose to subcontract manufacturing for some components?

    <p>It is typically more cost-effective due to economies of scale</p> Signup and view all the answers

    What should the maximum cost specified in the PDS relate to?

    <p>Production (ex-works) cost</p> Signup and view all the answers

    Which percentile range is typically specified for user population in anthropometrics?

    <p>5th to 95th percentile</p> Signup and view all the answers

    Why is weight often a critical constraint in industries like aerospace?

    <p>Reduced weight generally leads to improved fuel efficiency</p> Signup and view all the answers

    What must ergonomic design take into consideration when designing a product for human use?

    <p>User capabilities and tasks</p> Signup and view all the answers

    What is the aim of specifying the environment in which a product will be used?

    <p>To assess potential user interactions and performance</p> Signup and view all the answers

    What is a key requirement for controls in product design?

    <p>They should operate in an expected manner</p> Signup and view all the answers

    What does robust design practices involve in product development?

    <p>Ensuring durability and reliability of components</p> Signup and view all the answers

    Which of the following is critical for products that will operate in high noise environments?

    <p>Audible signals need to be distinguishable</p> Signup and view all the answers

    What is the first step in the design process according to the content?

    <p>Defining the boundaries for a solution</p> Signup and view all the answers

    What should a designer do if a full Product Design Specification (PDS) is provided?

    <p>Question the validity of the PDS</p> Signup and view all the answers

    Which of the following constraints must be specified in the case of designing a corkscrew?

    <p>Production (ex-works) cost</p> Signup and view all the answers

    What issue arises from the original problem statement of 'designing a device for removing a cork from a bottle'?

    <p>It restricts possible solutions to only those that involve screws</p> Signup and view all the answers

    What alternative method for removing corks is mentioned besides a corkscrew?

    <p>A wiggle and twist extractor</p> Signup and view all the answers

    What is one key aspect that legislation focuses on regarding product disposal?

    <p>The identification of all materials for recycling or disposal.</p> Signup and view all the answers

    What new intention could redefine the problem statement from removing a cork to removing wine?

    <p>It opens up a broader range of solutions</p> Signup and view all the answers

    What factor should be specified if the installation of a product is complex?

    <p>The skill levels required for installation.</p> Signup and view all the answers

    Which two engineering achievements are mentioned as examples of successful designs?

    <p>Concorde and Humber Bridge</p> Signup and view all the answers

    Which of the following is emphasized as a potential marketing advantage for companies?

    <p>Products with less environmental impact.</p> Signup and view all the answers

    What is emphasized as important for the design process in the content?

    <p>Clear problem statements</p> Signup and view all the answers

    What should be developed and specified at the outset to ensure efficient product maintenance?

    <p>Policies to minimize downtime.</p> Signup and view all the answers

    Why is it important to specify the power sources used for a product?

    <p>To outline the energy requirements explicitly.</p> Signup and view all the answers

    Which of the following statements is true about the cost of ownership?

    <p>It can include factors like operator requirements and energy consumption.</p> Signup and view all the answers

    What should be specified regarding potential hazards at the end of a product's life?

    <p>Identification and specification of potential hazards.</p> Signup and view all the answers

    What is a consequence of specifying increased product life?

    <p>It can improve a company's competitive position.</p> Signup and view all the answers

    What is the main difference between MTTF and MTBF?

    <p>MTBF accounts for mean time to repair, while MTTF does not.</p> Signup and view all the answers

    When MTTF and MTBF are the same, what condition is likely true?

    <p>The component is never repaired.</p> Signup and view all the answers

    How does the failure rate behave under reliability testing with a large sample?

    <p>The failure rate is variable depending on the sample.</p> Signup and view all the answers

    What does the removal of material to create a smooth profile achieve?

    <p>Reduces the possibility of local stresses.</p> Signup and view all the answers

    Which of the following is a common cause of residual stresses in components?

    <p>Differential cooling after welding.</p> Signup and view all the answers

    What is a significant factor that can lead to increased local stresses?

    <p>Sharp changes in section or notches.</p> Signup and view all the answers

    What effect does extending fatigue life have on a component?

    <p>It improves the component's resistance to failures.</p> Signup and view all the answers

    In the context of high-stress regions, what does sharpness at the weld corners indicate?

    <p>Potential for decreased flow and blockage.</p> Signup and view all the answers

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