Unit 2.3 AQA DT Alevel Stock Forms of Polymers

What is a benefit of using granules in manufacturing?

• They are more flexible.

• They are easier to measure and melt easier than larger pieces.

• They are more colorful.

• They are more durable.

What is a key feature of thermoplastic granules?

• They are biodegradable.

• They are lightweight.

• They melt quickly.

• They are transparent.

What is the main environmental concern with plastic granules in cosmetics?

• They are not colorful.

• They are too expensive.

• They cause pollution.

• They are difficult to produce.

Which of the following is a method used to form polymer granules into a continuous profile?

• Casting

• Extrusion

• Forging

• Welding

Why might we use polymer bearings in food machine applications?

• They are magnetic

• They are non-toxic

• They are heat resistant

• They are colorful

What are some products that can be made from extruded polymers?

• Tubing and window frames

• Metal rods and beams

• Glass bottles and jars

• Wooden planks and boards

What is a common use for extruded adhesive tapes?

• Wire insulation

• Metal coating

• Glass bonding

• Wood finishing

What are foams commonly produced using?

• Polymer, additive/catalyst, heat, and air or gas

• Metal, water, and electricity

• Wood, glue, and nails

• Glass, sand, and heat

Which of the following is a use of foam in the household?

• Model making

• Car engines

• Metal casting

• Stone carving

What type of material is foam considered?

• Liquid

• Solid

• Gas

• Plasma