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 (B)</p> Signup and view all the answers

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

<p>Compression (B)</p> Signup and view all the answers

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

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

What is another term used for size reduction?

<p>Comminution (B)</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 (B)</p> Signup and view all the answers

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

<p>Compression (A)</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 (B)</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 (A)</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 (C)</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 (A)</p> Signup and view all the answers

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

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

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

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

In which industry are rolling compression mills commonly used?

<p>Mining (B)</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 (C)</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 (C)</p> Signup and view all the answers

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