Answer the following questions.

Date: 2015-10-07; view: 564.

Define whether the following sentences are true or false.

Use the information from the text and complete the following table.

Classification of Engineering Materials

1. Engineers must know the properties of engineering materials.

2. All materials can be classified as metals and non-metals.

3. Non-ferrous metals can contain iron.

4. Steels have to contain more carbon than cast iron.

5. Ceramics can resist high temperatures.

6. Thermosets may be machined.

7. Thermoplastics can be shaped and reshaped.

1. What materials are used in engineering?

2. How are metals classified?

3. What's the difference between ferrous and non-ferrous metals?

4. For what purpose are some elements (such as chromium and tungsten) added to steel?

5. What non-metals do you know?

6. What can you say about the classification and properties of plastics?

7. In what cases are ceramics used?