Physical and Mechanical Properties in Manufacturing Quiz
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Questions and Answers

What is density?

  • Volume divided by weight
  • Weight per unit volume (correct)
  • Weight times volume
  • Volume per unit weight

    • How are density and specific gravity related?

  • Density and specific gravity are unrelated
  • Density is the ratio of a material's specific gravity to that of water
  • Specific gravity is always greater than density
  • Specific gravity is the ratio of a material's density to that of water (correct)

    • Why is strength-to-weight ratio important in material selection?

  • It helps compare materials for structural applications in weight-sensitive products (correct)
  • It only applies to certain types of materials
  • It has no practical significance in material selection
  • It is irrelevant in manufacturing processes

    • In what way do thermal properties of work material affect machining?

    <p>They determine cutting temperature, which affects tool life</p> Signup and view all the answers

    What are examples of products where weight and energy are concerns in manufacturing?

    <p>Aircraft and automobiles</p> Signup and view all the answers

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