Production Process Test Quiz

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  • 1/20 Questions

     In blow molding, to inflate soft plastic, which medium is used?

    • Air
    • Water
    • Oil
    • Alcohol
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About This Quiz

How much do you know about the production process? Why don't you take this production process quiz to test your knowledge on the same? A production process is a method in which we use economic input or resources, like labor, land, or capital equipment to give goods and services to consumers. Answer these questions, and you will better understand the production process. We hope you like this quiz and learn more from this!

Production Process Test Quiz - Quiz

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  • 2. 

    Which of the following is not an important factor of cooling in extrusion?

    • Reduction in shrinkage

    • Reduction in distortion

    • Ease of adding colors

    • Rate of cooling

    Correct Answer
    A. Ease of adding colors
    Explanation
    The ease of adding colors is not an important factor in cooling during extrusion. Cooling in extrusion is primarily important for reducing shrinkage and distortion in the material. The rate of cooling is also crucial to ensure proper solidification and dimensional stability of the extruded product. However, the ease of adding colors does not directly affect the cooling process and its importance lies more in the aesthetic aspect of the final product rather than the cooling process itself.

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  • 3. 

    Which of the following is not an application of the blow molding process?

    • Toy bodies

    • Door liners

    • Bottles

    • Pipes

    Correct Answer
    A. Door liners
    Explanation
    The blow molding process is commonly used to manufacture hollow plastic products by inflating a heated plastic tube into the desired shape. Toy bodies, bottles, and pipes are all examples of products that can be made using blow molding. However, door liners are not typically produced using this process. Door liners are usually made from materials such as wood, metal, or plastic sheets that are cut and shaped to fit the interior of a door frame, rather than being formed through blow molding.

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  • 4. 

    Single stage stretch blow molding process is mostly used for small-level production.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The single stage stretch blow molding process is mainly utilized for small-scale production due to its efficiency and cost-effectiveness. This process involves the production of both the preform and the final product in a single machine, eliminating the need for multiple steps and reducing production time. It is ideal for smaller production runs where speed and flexibility are essential, making it a suitable choice for small-level production.

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  • 5. 

    What is the minimum air pressure required in the blow molding process?

    • 350 kPa

    • 400 kPa

    • 450 kPa

    • 500 kPa

    Correct Answer
    A. 400 kPa
    Explanation
    In the blow molding process, the minimum air pressure required is 400 kPa. This pressure is necessary to ensure that the plastic material is properly inflated and takes the shape of the mold. If the pressure is too low, the plastic may not fully expand, leading to defects in the final product. On the other hand, if the pressure is too high, it can cause the plastic to rupture or deform. Therefore, 400 kPa is the optimal air pressure for the blow molding process.

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  • 6. 

    In the extrusion blow molding process, it is very difficult to trim away excess plastics.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    In the extrusion blow molding process, excess plastics are difficult to trim away. This is because the excess plastics are formed as a result of the extrusion process, where molten plastic is forced through a die to create the desired shape. Trimming away these excess plastics can be challenging due to their location and the complexity of the shape being formed. Therefore, it is true that it is very difficult to trim away excess plastics in the extrusion blow molding process.

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  • 7. 

    Which of the following plastics is not used in blow molding?

    • Terephthalate

    • Polypropylene

    • Polythene

    • PVC

    Correct Answer
    A. Terephthalate
    Explanation
    Terephthalate is not used in blow molding because it has a high melting point and is not easily malleable. Blow molding requires a plastic that can be melted and shaped into a hollow form, which is not possible with terephthalate. Polypropylene, polythene, and PVC are commonly used in blow molding due to their lower melting points and ability to be easily molded into various shapes.

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  • 8. 

    Which of the following molding processes is widely used for the manufacturing of plastic bottles?

    • Compression molding

    • Injection molding

    • Jet molding

    • Blow molding

    Correct Answer
    A. Blow molding
    Explanation
    Blow molding is widely used for the manufacturing of plastic bottles. This process involves melting plastic and then blowing air into a mold to create the desired shape. It is a cost-effective and efficient method for producing large quantities of plastic bottles with consistent quality and high production rates. Blow molding allows for the production of bottles with various shapes, sizes, and thicknesses, making it the preferred choice for the plastic bottle manufacturing industry.

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  • 9. 

    Which of the following materials is mostly used for making thermoforming molds?

    • Steel

    • Grey cast iron

    • Aluminum

    • White cast iron

    Correct Answer
    A. Aluminum
    Explanation
    Aluminum is mostly used for making thermoforming molds because it has several advantageous properties. It is lightweight, which makes it easier to handle and reduces the weight of the mold itself. Aluminum also has excellent thermal conductivity, allowing for efficient heat transfer during the thermoforming process. Additionally, aluminum is highly corrosion-resistant, ensuring the longevity of the molds. Its malleability and ease of machining make it a cost-effective choice for creating complex mold designs.

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  • 10. 

    Melting section is another name for which section?

    • Feed section

    •  Transition section

    • Pumping section

    • Collapse section

    Correct Answer
    A.  Transition section
    Explanation
    The melting section is another name for the transition section. This section is responsible for melting the solid material and converting it into a molten state. It is typically located between the feed section and the pumping section in a process or system.

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  • 11. 

    Which of the following is not an application of polymer extrusion?

    • Door insulation seals

    • Door insulation seals

    • Cables

    • Circuit boards

    Correct Answer
    A. Circuit boards
    Explanation
    Polymer extrusion is a process used to create continuous shapes by forcing molten polymer through a die. It is commonly used in various applications such as door insulation seals, cables, and circuit boards. However, circuit boards are typically manufactured using printed circuit board (PCB) fabrication methods, which involve etching copper layers onto a substrate rather than extruding polymers. Therefore, circuit boards are not an application of polymer extrusion.

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  • 12. 

    Tubes having a U shape cannot be manufactured by the polymer extrusion process.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Tubes having a U shape can be manufactured by the polymer extrusion process. The polymer extrusion process involves pushing molten polymer through a die to create a continuous shape. This process can be used to create tubes with various shapes, including U shapes. Therefore, the statement is false.

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  • 13. 

    Which of the following equipment is used for controlling the temperature of polymer material in the extrusion process?

    • Thermo resister

    • Thermometer

    • Thermocouple

    • Glass tube

    Correct Answer
    A. Thermocouple
    Explanation
    A thermocouple is a device used for measuring temperature in various industrial processes, including extrusion. It consists of two different metals joined together, which produce a voltage that is proportional to the temperature difference between the two junctions. This voltage is then used to determine the temperature of the polymer material during extrusion. Therefore, a thermocouple is the appropriate equipment for controlling the temperature of polymer material in the extrusion process.

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  • 14. 

    What is the minimum temperature allowed to be given to the injection molding process?

    • 120°C

    • 130°C

    • 140°C

    • 150°C

    Correct Answer
    A. 150°C
  • 15. 

    In compression molding, the curing time does not depend on which of the following factors?

    • Material

    • Curing temperature

    • Geometry

    • Thickness

    Correct Answer
    A. Curing temperature
    Explanation
    In compression molding, the curing time is not dependent on the curing temperature. This means that regardless of the temperature at which the material is cured, the time it takes for the material to fully cure will remain the same. The curing time is more likely to be influenced by factors such as the material being used, the geometry of the mold, and the thickness of the material being molded.

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  • 16. 

    Which of the following material is not made by injection molding?

    • Nuts

    • Tubes

    • Car handles

    • Electrical fittings

    Correct Answer
    A. Tubes
    Explanation
    Injection molding is a manufacturing process in which molten material is injected into a mold to form a desired shape. Nuts, car handles, and electrical fittings can all be made using injection molding as they are solid objects. However, tubes are typically made using extrusion, where a material is forced through a die to form a continuous shape. Therefore, tubes are not made by injection molding.

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  • 17. 

    Which of the following is not a type of the blow molding process?

    • Injection blow molding

    • Extrusion blow molding

    • Multi-smaller blow molding

    •  Multi-larger blow molding

    Correct Answer
    A. Multi-smaller blow molding
    Explanation
    Multi-smaller blow molding is not a type of the blow molding process. This can be inferred from the fact that the other options, injection blow molding, extrusion blow molding, and multi-larger blow molding, are all recognized processes in blow molding. The term "multi-smaller" does not align with any commonly known blow molding technique, suggesting that it is not a valid option in this context.

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  • 18. 

    Blow molding is a very slow process. However economical to produce products of better quality.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Blow molding is a manufacturing process used to create hollow plastic objects. It is actually a fast process, not a slow one. While it is economical, it does not necessarily guarantee better quality products. Therefore, the statement is false.

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  • 19. 

    What is the maximum temperature allowed to be given to the injection molding process?

    • 300°C

    • 320°C

    • 350°C

    • 400°C

    Correct Answer
    A. 300°C
    Explanation
    The maximum temperature allowed to be given to the injection molding process is 300°C. This temperature limit ensures that the material being injected does not degrade or burn during the molding process. Higher temperatures can cause the material to lose its properties and result in poor quality finished products. Therefore, it is important to adhere to the specified temperature limit to ensure the integrity and quality of the molded products.

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  • 20. 

    How are extruded materials cooled?

    • Water

    • Contact with the chilled surface

    • Air

    • Oil

    Correct Answer
    A. Oil
    Explanation
    Extruded materials are cooled by using oil. This is because oil has a higher heat capacity and thermal conductivity compared to water, air, or contact with a chilled surface. The high heat capacity of oil allows it to absorb more heat from the extruded material, effectively cooling it down. Additionally, oil provides a more uniform cooling process, ensuring that the entire surface of the extruded material is cooled evenly.

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  • Current Version
  • Aug 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 16, 2019
    Quiz Created by
    Laxmikant
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