Materials Selection in Engineering Projects
30 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the length scale for nanostructure?

  • 1 to 100 μm
  • 1 to 100 nm (correct)
  • 100 to 1000 μm
  • 100 to 1000 nm

    • Which of the following is an example of a non-metallic engineering material?

  • Aluminum
  • Copper
  • Steel
  • Rubber (correct)

    • What are the properties that describe the shape and general condition of a material?

  • Chemical properties
  • Mechanical properties
  • Physical properties (correct)
  • Thermal properties

    • What is the length scale for microstructure?

    <p>1 to 100 μm</p> Signup and view all the answers

    Which property refers to the ratio between mass and volume without voids?

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

    What are examples of supplementary construction materials?

    <p>Bricks, Gypsum</p> Signup and view all the answers

    Which of the following is considered a light metal?

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

    What are the types of metallic engineering materials mentioned in the text?

    <p>Ferrous, Non-Ferrous, Light metals, Heavy metals</p> Signup and view all the answers

    What type of material is uranium according to the text?

    <p>Energy generating material</p> Signup and view all the answers

    What does the term 'macrostructure' refer to?

    <p>Structure at a macroscopic level where the length scale is &gt; 100 μm</p> Signup and view all the answers

    What are the basic requirements for material selection?

    <p>Performance, safety, economy, mechanical/non-mechanical properties</p> Signup and view all the answers

    What does the term 'composition' refer to in materials science and engineering?

    <p>The chemical make-up of a material</p> Signup and view all the answers

    What is the main objective of a materials engineer?

    <p>Develop or select materials or devices with the best performance to cost ratio for a particular application</p> Signup and view all the answers

    What does 'structure' refer to in materials science and engineering?

    <p>A description of the arrangement of atoms</p> Signup and view all the answers

    What does the economy of materials depend on?

    <p>Availability and cost of raw materials, construction cost, maintenance</p> Signup and view all the answers

    What does an engineering project require according to the initial text?

    <p>$4 M's: Material - Method - Men - Money</p> Signup and view all the answers

    What is the main objective of a materials engineer?

    <p>To develop or select materials that have the best performance to cost ratio for a particular application</p> Signup and view all the answers

    What does the term 'macrostructure' refer to in materials science and engineering?

    <p>The visible arrangement of phases or grains in a material</p> Signup and view all the answers

    What does the economy of materials depend on?

    <p>Availability and cost of raw materials</p> Signup and view all the answers

    What are the basic requirements for material selection?

    <p>Performance, economy, safety, and mechanical properties</p> Signup and view all the answers

    What does 'structure' refer to in materials science and engineering?

    <p>means a description of the arrangement of atoms, as seen at different levels of detail</p> Signup and view all the answers

    What type of material is uranium according to the text?

    <p>Types of Engineering Materials</p> Signup and view all the answers

    Which length scale defines the microstructure of materials?

    <p>1 to 100 μm</p> Signup and view all the answers

    What is the ratio between mass and volume without voids called?

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

    Which of the following is considered a heavy metal?

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

    Which of the following is an example of a supplementary construction material?

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

    What type of materials are steel and cast iron?

    <p>Ferrous metals</p> Signup and view all the answers

    Which property of engineering materials describes their ability to conduct electricity?

    <p>Electrical properties</p> Signup and view all the answers

    What does the term 'void ratio' refer to in the context of physical properties of materials?

    <p>Ratio of voids to total volume</p> Signup and view all the answers

    Which length scale defines the nanostructure of materials?

    <p>&lt; 100 nm</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser