Industrial Materials and Processes 1st Semester 2023 - 2024 Review
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Questions and Answers

What is the primary difference between kilnforming and frit casting in glassworking?

  • Kilnforming involves shaping glass in a mold, while frit casting involves fusing glass particles (correct)
  • Kilnforming is a coldworking process, while frit casting is a hotworking process
  • Kilnforming involves heating glass in a kiln, while frit casting involves blowing glass
  • Kilnforming involves creating glass patterns, while frit casting involves etching glass

Which of the following glassworking processes involves fusing small glass particles or chips together?

  • Slumping
  • Kilnforming
  • Frit casting (correct)
  • Etching

If the cutting conditions in a turning operation are v = 300 ft/min, f = 0.010 in/rev, and d = 0.100 inch, what is the material removal rate?

  • 0.025 in3/min
  • 0.3 in3/min
  • 3.0 in3/min
  • 3.6 in3/min (correct)

Which of the following thin film processes is most common in semiconductor processing?

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

What is the primary purpose of a mold release agent in plastic shaping?

<p>Facilitating the release of the plastic from the mold (A)</p> Signup and view all the answers

What is the primary purpose of cooling the molded part after shaping in plastic shaping?

<p>To prevent warping and improve dimensional stability (B)</p> Signup and view all the answers

What is the primary disadvantage of lampworking in glassworking?

<p>Limited to small-scale production (A)</p> Signup and view all the answers

End milling is most similar to which one of the following?

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

Which of the following is not a common tool or equipment used in glassworking?

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

A lathe is used to perform which of the following machining operations?

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

In rotational molding, what is the primary method used to evenly distribute the plastic within the mold?

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

Which of the following materials is not commonly used in plastic shaping processes?

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

In the heating of most metal alloys, melting begins at a certain temperature and concludes at a higher temperature. In these cases, which of the following temperatures marks the beginning of melting?

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

What is the primary purpose of a mold release agent in glassworking?

<p>To prevent glass from sticking to the mold (C)</p> Signup and view all the answers

What is the primary disadvantage of frit casting in glassworking?

<p>It results in uneven distribution of glass particles (B)</p> Signup and view all the answers

Which of the following is not a common tool or equipment used in glassworking?

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

In glassworking, what does slumping involve?

<p>Shaping glass in a mold through heat (B)</p> Signup and view all the answers

Which of the following thin film processes is least common in semiconductor processing?

<p>Reducing nickel carbonyl (A)</p> Signup and view all the answers

In plastic shaping, what is the primary method used to evenly distribute the plastic within the mold?

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

What is the primary purpose of a mold release agent in plastic shaping?

<p>To facilitate part ejection from the mold (B)</p> Signup and view all the answers

Which glassworking process involves fusing small glass particles or chips together?

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

What is the primary difference between kilnforming and frit casting in glassworking?

<p>The type of glass used (A)</p> Signup and view all the answers

If the cutting conditions in a turning operation are v = 300 ft/min, f = 0.010 in/rev, and d = 0.100 inch, what is the material removal rate?

<p>$20 in^3/min$ (A)</p> Signup and view all the answers

What is the primary goal of the demolding process in plastic shaping?

<p>Safely removing the molded part from the mold (C)</p> Signup and view all the answers

What is the primary goal of quenching in glassworking?

<p>To strengthen the glass (A)</p> Signup and view all the answers

In rotational molding, what is the primary method used to evenly distribute the plastic within the mold?

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

Which of the following thin film processes is most common in semiconductor processing?

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

Which of the following processes could be used to cut a large piece of 1/2-inch plate steel into two sections (more than one)?

<p>$oxyfuel hinspace cutting$ (D)</p> Signup and view all the answers

Which of the following processes could be used to cut a large piece of 1/2-inch plate steel into two sections (more than one)?

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

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