Ceramic Glazes and Enamels: CER 137 Lecture 4
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Questions and Answers

What percentage of the total mill volume should the dry batch charge occupy?

  • 26 to 30%
  • 11 to 18% (correct)
  • 5 to 10%
  • 19 to 25%

What is the primary advantage of the dipping application technique?

  • Flexibility in ware shape and size
  • High-energy efficiency
  • High-throughput capacity
  • Little capital equipment required (correct)

Which application technique involves breaking down a coating slip into a cloud of fine particles?

  • Waterfall or Bell Coating
  • Spraying (correct)
  • Painting
  • Discing

What type of appearance is produced by the Dry Glazing application technique?

<p>Fine granite (D)</p> Signup and view all the answers

Which application technique is commonly used by smaller manufacturers and studio potters?

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

What type of forces are used in the Spraying application technique to transfer particles to the substrate?

<p>Pneumatic, mechanical, or electrical (B)</p> Signup and view all the answers

What is the primary purpose of using a fully loaded soft brush when applying glaze?

<p>To prevent smearing during the glazing process (C)</p> Signup and view all the answers

Which technique involves filling in printed outlines or copying a standard pattern using a brush and colors suspended in a medium?

<p>Hand Painting (C)</p> Signup and view all the answers

What is the purpose of heating the ceramic printing ink in the copper plate printing process?

<p>To achieve the desired fluidity for transfer (C)</p> Signup and view all the answers

Which technique involves using a solid convex pad of silicone rubber to transfer ink from an engraving?

<p>Transfer Printing (D)</p> Signup and view all the answers

What is the result of soaking the article in water after applying the print in the copper plate printing process?

<p>The paper is removed from the article (C)</p> Signup and view all the answers

Which technique has a high production rate and is relatively low-cost, applicable to any article that is circular about an axis?

<p>Lining and Banding (A)</p> Signup and view all the answers

What is the purpose of weighing, blending, and melting in the furnace during frit manufacture?

<p>To create a ceramic coating with specific properties (B)</p> Signup and view all the answers

Which of the following raw materials is suitable for use in a ceramic coating?

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

What is the optimal density range for glaze slips during milling?

<p>1.6 to 2.5 g/cc (D)</p> Signup and view all the answers

What is the recommended occupation of the mill volume by the grinding media and intervening voids?

<p>55% to 65% (B)</p> Signup and view all the answers

What is the primary factor that affects the grinding efficiency in milling?

<p>All of the above (D)</p> Signup and view all the answers

Why are alkali carbonates avoided in glaze and enamel manufacture?

<p>They can cause defects in the final glaze (C)</p> Signup and view all the answers

What is the role of the gelatin pad in ceramic decoration?

<p>To transfer the design onto the ceramic article (D)</p> Signup and view all the answers

What is the purpose of the rubber blade or squeegee in screen printing?

<p>To force the ink through the open areas of the stencil (C)</p> Signup and view all the answers

What is the term for the manufacturing of paper transfers or decals?

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

What is the term for the application of a monochromatic decoration using a rubber stamp?

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

What is the term for the defects characterized by the formation of small holes on the surface?

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

What is the term for the defects characterized by the loss of glaze causing roughness?

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

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