Materials Science and Engineering

Question 1

What are the 4 groups of engineering materials?

Answer 1

1. Metals and alloys (iron, steel, copper)
2. Composites (concrete, carbon fiber)
3. Ceramics and glass (bricks, tiles, graphite)
4. Organic polymers (wood, rubber)

Question 2

What are the classifications of materials depending on their area of use?

Answer 2

1. Structural
2. Machines
3. Devices

Question 3

What are the 8 material properties?

Answer 3

1. Physical
2. Mechanical
3. Thermal
4. Electrical
5. Chemical
6. Magnetic
7. Optical
8. Technological

Question 4

What are the characteristics of metals and alloys?

Answer 4

1. They resist load under stress
2. They conduct electricity and heat
3. They reflect light

Question 5

What are the characteristics of composites?

Answer 5

1. Combined properties by combining different materials

Question 6

What are the characteristics of organic polymers?

Answer 6

1. THEY ARE RESISTANT TO CORROSION
2. They are resistant to electricity
3. They have a high degree of deformability
4. They are light

Question 7

What are the characteristics of ceramics and glass?

Answer 7

1. They are brittle
2. They insulate electricity and heat