Materials

Question 1

Advantages of recycling packaging.

Answer 1

. Reduces waste
. Saves resources like oil
. Few trees cut down.

Question 2

Disadvantages of recycling packaging

Answer 2

. Uses energy
. Expensive to collect bins
. Cannot use recycled next to food products.

Question 3

Describe how computer aided design (CAD) could use in the development stages of designing a product

Answer 3

Computer Aided Design could develop the stages of designing a product by helping designers to create accurate 2D/3D models during the concept stage.

Question 4

Give 2 advantages of CAD

Answer 4

. Checking measurement
. Ease of storage

Question 5

Give 2 disadvantages of CAD

Answer 5

. Maintenance costs
. Material costs

Question 6

What are smart materials?

Answer 6

Smart materials are substances that respond dynamically to environmental changes like temperature, light, pressure, or chemical composition.

Question 7

Name a smart material that changes shape in response to temperature.

Answer 7

Shape Memory Alloys (SMAs).

Question 8

How are Shape Memory Alloys used in medicine?

Answer 8

They are used in stents and braces, allowing for minimally invasive surgeries and better functionality.

Question 9

What is planned obsolescence?

Answer 9

is when a company creates a product that has a short life span.