Glass Manufacturing Quiz

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Questions and Answers

What is one of the main advantages of using glass as packaging material?

  • It is biodegradable and environmentally friendly.
  • It can be produced quickly and cheaply.
  • It is lightweight and easily disposable.
  • It is chemically inert and does not react with contents. (correct)

Which property of glass allows visibility of the contents within?

  • Chemically inert
  • Transparent (correct)
  • Non-permeable
  • Mouldable

Which of the following describes the non-permeable nature of glass?

  • It prevents gases, odors, vapors, and liquids from penetrating. (correct)
  • It allows gases and liquids to pass through.
  • It can absorb moisture from the environment.
  • It requires a special coating to block contaminants.

Which of these materials is NOT a raw material used to make glass?

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

What characteristic of glass allows it to be shaped into various containers?

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

What is the primary function of chromium, cobalt, and iron in glass manufacturing?

<p>To add color to the glass (C)</p> Signup and view all the answers

Which type of glass is primarily used for injectables and transfusions?

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

At what temperature does the glass melting furnace typically operate during melting?

<p>2700°F (1560°C) (D)</p> Signup and view all the answers

What is the main advantage of the unlimited supply of materials for glass production?

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

Which step in the glass manufacturing process serves to eliminate bubbles from the molten glass?

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

Flashcards

Chemically Inert

Glass doesn't react with what it holds, keeping the contents pure and fresh.

Non-Permeable

Nothing can get in or out of glass containers - gases, smells, liquids, etc.

Transparent

Glass is see-through, allowing you to view the contents inside.

Mouldable

Glass can be shaped into various sizes and designs, from tiny vials to large carboys.

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Type I Glass (Borosilicate)

A special type of glass, commonly used for medical applications like injections and transfusions, boasting high resistance to chemicals and heat.

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Type II Glass (Neutral)

A type of glass with a coating that helps it resist reactions with basic substances (alkaline), although it's not as resistant as Type I.

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Type III Glass (Soda-Lime)

The most common type of glass, used in everyday containers, with a limit of 8.5 ml of 0.2 N acid before it can be damaged.

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Refining

The process of removing impurities and bubbles from molten glass, ensuring a smooth and clear final product.

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Molding

The step where molten glass is shaped into a semi-finished bottle using a mold.

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