ned your helpppppppppppp
Choose the letter of the best answer in each questions.
1. What are considered as the “building blocks” for engineering materials?
- A. Atoms
- B. Elements
- C. Matters
- D. Compounds
2. What are the major classes of engineering materials?
- A. Metals, ceramics and semiconductors
- B. Polymers, metals and composites
- C. Metals, ceramics, polymers and semiconductors
- D. Metals, ceramics, polymers, semiconductors and composites
3. What types of materials behave like iron when placed in a magnetic field?
- A. Crystals
- B. Amorphous materials
- C. Ferromagnetic materials
- D. Metalloids
4. What do you call metals reinforced by ceramics or other materials, usually in fiber form?
- A. Metalloids
- B. Matrix alloys
- C. Metal lattices
- D. Metal Matrix composites
5. What is a combination of one or more metals with a nonmetallic element?
- A. Metalloids
- B. Matrix Composite
- C. Inert
- D. Ceramic
6. Polymer comes from Greek words “poly” which means “many” and “meros” which means __________.
- A. metal
- B. material
- C. part
- D. plastic
7. The engineering materials known as “plastics” are more correctly called ____________.
- A. Polyvinyl chloride
- B. Polymers
- C. Polyethylene
- D. Mers
8. What is a combination of two or more materials that has properties that the components materials do not have by themselves?
- A. Compound
- B. Composite
- C. Mixture
- D. Matrix
9. What is a reference sheet for the elements that can be used to form engineering materials?
- A. Periodic Table
- B. Truth Table
- C. Building blocks of Materials
- D. Structure of Materials
10. What physical property of a material that refers to the point at which a material liquefies on heating or solidifies on cooling?
- A. Melting point
- B. Curie point
- C. Refractive index
- D. Specific heat
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