Plastics Presentation Class Review

Rohan is working on a project where he needs to create a complex metal part. He is considering different manufacturing methods. Which of the following is an advantage of sand casting for Rohan's project?

• It is fully automated

• It is quick to do

• It is very accurate

• It is cost-effective for small production runs

Michael is working on a project where he needs to create various items using vacuum forming. Which kinds of products can he make using this process?

• Plastic pipes

• Trays, dishes and containers

• Gears and locks

• Sports equipment

Emma is considering using injection moulding for her new product line. Which of the following are disadvantages she might face?

• High initial tooling cost

  
  

• Materials used for it are high in cost

  
  

• It takes a while to complete the process

  
  

• Part design restrictions

  
  

Sophia is working on a project where she needs to create large, hollow plastic parts for a playground. She is considering using rotational moulding for this task. What is a key advantage of using rotational moulding for her project?

• It has fast production rates

  
  

• It can provide detailed and complex parts

  
  

• It will provide a uniform wall thickness

  
  

• It is inexpensive

  
  

Daniel is working on a project to manufacture a new line of smartphone cases. Why might die casting be chosen to manufacture these cases? Choose two correct answers:

• It can make very large parts

• It gives a smooth surface finish

• It is extremely accurate

• It is cheap to set up

Arjun is working on a project for his engineering class where he needs to create a product using sand casting. Which of the following products could Arjun make using this method?

• Scale model cars, tools, gears

• Engine parts, tools, scale model cars

• Engine parts, sharpeners, gears

• Engine parts, tools, gears

Arjun is working on a school project where he needs to create a model using vacuum forming. What kind of material should he use in this process?

• Glass

• Wood

• Metal

• Plastic

Jackson is examining a plastic toy and wants to determine if it was made using injection moulding. What features should he look for? Choose two correct answers

• Ribs

• Mould split lines

  
  

• Rounded corners

  
  

• Injection marks

  
  

Olivia and Arjun are working on a school project about manufacturing processes. They need to identify which products are typically made using rotational moulding. Can you help them?

• Balls & hollow plastic toys

• Plastic baskets & hollow plastic toys

• Balls & plastic baskets

• Candle holders & balls

Nora is working on a project where she needs to quickly create a physical model of a new product design to test its functionality and appearance. What process should she use?

• Getting a product from the design stage to manufacturing as quickly as you can

• Manufacturing products very quickly on a production line

• Creating CAD drawings in large amounts

• A quick method of producing 3D models direct from a CAD drawing