are typically organic materials. They are usually good electrical and thermal in

Question

are typically organic materials. They are usually good electrical and thermal insulators and generally have very good strength-to-weight ratios. They are generally not suitable for high temperature applications. a. Polymers b. Semiconductors c. Ceramics d-Metals and Alloys C (2) Density is a ratio of a. Pounds/Area b. Weight/Volume c c. Volume/Weight d. Time/Distance (3) Which of the following is not a metal? a. Aluminum b. Copper c. Iron d. SiO2 (4) Which of the following is/are true about composites? C a. a mixture of at least two materials b, possess properties not found in any single material c. can be lightweight d. all of the above c

Explanation / Answer

1) a - Polymers

2) b - Weight / Volume

3) d - SiO2 (Semiconductor)

4) d - all the above

5) d - Ceramic

6) a - number of protons

7) a

8) b

9) c

10) b

11) c

12) a

13) b

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