Size Reduction Equipments Quiz
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Questions and Answers

What type of mill consists of a high-speed rotor with hammers or blow bars?

  • Rod Mill
  • Vertical Roller Mill
  • Ball Mill
  • Impact Crusher (correct)
  • Which type of crusher uses a fixed jaw and a moving jaw to crush materials?

  • Edge Runner Mill
  • Jaw Crusher (correct)
  • Roller Press
  • Rod Mill
  • Which size reduction equipment is commonly used in the cement and mineral processing industries?

  • Roller Press (correct)
  • Rod Mill
  • Ball Mill
  • Vertical Roller Mill
  • In which mill does a heavy, cylindrical roller crush materials between the roller and a stationary base?

    <p>Edge Runner Mill</p> Signup and view all the answers

    What type of force is mainly used in a roller press for size reduction?

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

    Which equipment is known for crushing materials by squeezing between two counterrotating rolls?

    <p>Vertical Roller Mill</p> Signup and view all the answers

    What is another term used for size reduction?

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

    Which mechanism of size reduction is produced when a particle is compressed between the edges of two hard surfaces moving tangentially?

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

    In size reduction, which process involves particle disintegration by two rigid forces?

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

    What type of equipment uses balls or pebbles as grinding media in size reduction processes?

    <p>Ball Mill</p> Signup and view all the answers

    Which term describes particle concussion by a single rigid force in the mechanism of size reduction?

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

    What is the process of particles scraping against one another or against a rigid surface called in size reduction?

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

    What type of crushing machine consists of two counter-rotating cylinders or rolls mounted on a horizontal shaft?

    <p>Roll Crusher</p> Signup and view all the answers

    Which type of mill compresses particulate material between two rotating cylindrical rolls?

    <p>Vertical Roller Mill</p> Signup and view all the answers

    What is the main principle used by an impact crusher to crush materials?

    <p>Fast impact</p> Signup and view all the answers

    In which industry are rolling compression mills commonly used?

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

    What is the rotor speed range for a colloid mill used for reducing particle size of a solid-liquid suspension?

    <p>2000 to 18,000 rpm</p> Signup and view all the answers

    Which type of equipment is used for creating colloidal dispersion through mechanical shearing and milling?

    <p>Colloid Mill</p> Signup and view all the answers

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