Practice Molding Techniques (3.2) - Classification of Plastics - Civil Engineering Materials, Testing & Evaluation

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10 questions

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6 sample questions

Question 1.
What is injection molding?
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Think about how various plastic objects are formed.
Question 2.
Give an example of a product made by compression molding.
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Consider household items that might need to withstand heat.
3Question 3.
What is the primary function of injection molding?
- To create hollow objects
- To inject molten plastic into molds
- To strengthen materials
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Recall the definition of injection molding.
4Question 4.
Compression molding typically uses which type of plastic?
- True
- False
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Consider what materials are best for heat and pressure.
Question 5.
Design a product using injection molding and justify why this method is preferable over others.
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Think about the features of the product and its expected volume.
Question 6.
Compare the environmental impact of compression molding vs. blow molding in the manufacturing process.
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Consider how each method impacts resource use and waste.

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