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WorksheetsPlastics Presentation Class Review
Total questions: 20
Worksheet time: 10mins
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
David is working on a project that involves creating a prototype of a new gadget using rapid prototyping techniques. Which of the following is a disadvantage he might encounter?
The surface finish on the product can be rough
It takes longer to design and manufacture products this way
The methods are limited in which designs they can produce
They are really expensive to use
Grace's company is considering investing in new manufacturing technology. Why would they choose to use laser cutting? Choose two correct answers
It can produce detailed and complex designs
It has a very consistent production rate
It is very accurate - each product is an exact copy of the last
It doesn't use a lot of energy to operate the machinery
Benjamin is working on a project where he needs to identify a common characteristic of plastic bottles used for beverages. What is a common characteristic of products made by blow moulding?
Thick walls
Hollow interiors
Sharp edges
Metallic finish
Zoe is working on a project to create custom parts for a new product line using 3D printing technology. Which of the following is a benefit she might experience in the manufacturing process?
High production speed
Low material waste
High initial setup cost
Limited design flexibility
Olivia is considering using CNC machining for her new project. What is a disadvantage she might face?
High precision
Complex programming required
Low material waste
Fast production time
Which molding process is well suited for creating hollow objects like bottles?
Compression molding
Blow molding
Extrusion molding
Rotational molding
What type of molding is best for larger objects, such as auto parts?
Rotational molding
Plastic injection molding
Compression molding
Blow molding
Which molding technique is ideal for producing hollow formed applications like tubing or straws?
Extrusion molding
Compression molding
Blow molding
Plastic injection molding
Rotational molding is best suited for which type of parts?
Small, intricate parts
High volume, high quality parts
Large, hollow one-piece parts
Thin, flat parts
Which molding process is used for high volume, high quality parts?
Blow molding
Plastic injection molding
Rotational molding
Extrusion molding
