Active Vocabulary

1. significant значительный

2. power plant электростанция, силовая установка

3. source источник, первопричина

4. fly ash летучая зола, зольная пыль, измельченная зола, искусственный пуццолан

5. non-combustible негорючий

6. molten расплавленный, литой

7. to solidify затвердевать

8. exhaust выпускать; выпуск, выхлоп, отход

9. to constitute составлять

10. shingle кровельная дранка; гонт

11. stucco штукатурка, штукатурный гипс

12. sulphate сернокислый; сульфат, соль серной кислоты

13. cementitious цементирующий; вяжущий

14. sub-bituminous полубитуминозный

15. self hardening самозакаливание, самоотвердение

16. to reduce уменьшать, сокращать

17. additional дополнительный

18. to generate производить, вызывать

19. particle частица

20. void пустота

21. pumping накачивание

22. to achieve достигать

Control tests test I

Decide whether these statements are true or false:

1. a). When the coal burns in a power plant, it not only generates energy but also produces a great amount of exhaust.

b). When the coal burns in a power plant, it not only generates energy but also produces a powder kind of material.

c). When the coal burns in a power plant, it not only generates energy but also produces combustible minerals.

2. a). Fly ash is used in a variety of applications involving roofing, walls, fences, ornaments, vaulted ceilings.

b). Fly ash is used in a variety of applications involving fire resistance requirements.

c). Fly ash is used in a variety of applications involving structural and low strength requirements.

3. a). Fly ash is classified into two types on the basis of its chemical composition.

b). Fly ash is classified into two types on the basis of its flowability rate.

c). Fly ash is classified into two types on the basis of its compressive strength.

4. a). The amount of fly ash in the Portland cement will vary on the basis of the grade of its resistance to aggressive waters.

b). The amount of fly ash in the Portland cement will vary on the basis of its alkali-aggregate reactions.

c). The amount of fly ash in the Portland cement will vary on the basis of chemical composition of both fly ash and Portland cement.

5. a). The fine particles of fly ash can be used to reduce water and air permeability.

b). The fine particles of fly ash can be used to effectively fill voids.

c). The fine particles of fly ash can be used to increase the modulus of elasticity of concrete.

Test II

Match words in columns A and B (synonym match):

A B

1. amount a). evidence b). existence

c). distinction d). quantity

2. throughout a). far b). everywhere

c). above d). abroad

3. vital a). substantial b). regular

c). brittle d). special

4. ash a). lime b). silica

c). cinder d). cement

5. additional a). supplementary b). major

c). residential d). common

6. completely a). directly b). entirely

c). formally d). perfectly

7. backing a). layer b). content

c). decking d). lining

8. to note a). to remark b). to frame

c). to involve d). to adjust

9. wonder a). affair b). work

c). miracle d). tool

10. issue a). breath b). problem

c). being d). pain