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

    What is the primary disadvantage of lampworking in glassworking?

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

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

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

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

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

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

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

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

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

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

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

    In glassworking, what does slumping involve?

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

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

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

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

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

    What is the primary goal of quenching in glassworking?

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

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

    <p>Chemical vapor deposition</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>$oxyfuel hinspace cutting$</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</p> Signup and view all the answers

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