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Building & Construction Practice Test: Plastics
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Avg score: 58% Most missed: “Hexamethylene tetramine serves as a hardener for ________”
Here are some common plastics used in construction: Polyvinyl chloride (PVC) High density polyethylene (HDPE) Expanded polystyrene (EPS) Polypropylene Polycarbonate Acrylic Acrylonitrile butadiene styrene (ABS)   Plastics are used in many construction applications, including:  Seals, Windows and doors, Pipes, Cables, Floor coverings, Insulation.  Here are some other properties of some plastics used in construction: Polypropylene: Lightweight, shock-resistant, and safe for food containers Polystyrene: Used in insulating blocks, ceiling and façade covers, and lightweight... Show more
Building & Construction Practice Test: Plastics
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15 Questions

1. Hexamethylene tetramine serves as a hardener for ________
2. Which of the following resins is obtained by the precipitation of milk with acids?
3. The components of alkyd are _______
4. Which of the following statements about thermosetting plastics is not true?
5. Homogeneous plastic is made of the chain containing only carbon atoms while heterogeneous plastic consists of the chain containing carbon and oxygen, nitrogen and other elements.
6. Melamine is derived from ________
7. In addition polymerization, the molecular weight of the resulting polymer is the same as the sum of the molecular weights of the reacting molecules.
8. Which of the following is not a property of plastics?
9. Which of the following types of plastics have a high modulus of elasticity?
10. Which of the following resins is obtained by the precipitation of milk with acids?
11. Which of the following polymers is obtained by condensation polymerization?
12. In addition polymerization, the molecular weight of the resulting polymer is the same as the sum of the molecular weights of the reacting molecules.
13. Which of the following types of plastics have a high modulus of elasticity?
14. Tributyl phosphate is an example of ___________
15. Which of the following is a thermoplastic resin?