Decide whether the following statements are true or false accord- ing to the text.



1. The English term “water supply” has several meanings.

2. The presence of water supply systems has long been a deciding fac- tor in the location of settlements, towns and cities.

3. Providing some regions where water is available in unlimited quan- tities with a satisfactory supply of water becomes a serious engi- neering task.

4. Every town and city in the world needs elaborate water supply sys- tems.

5. Water supply is a complex of engineering structures intended for the provision of various consumers with water.

 

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6. A water supply system is a complex of activities aimed at the provi- sion of water to various consumers and for various water uses.

7. Water supply is the same as a water supply system.

8. The terms “a water supply system” and “a water supply network” are synonymous.

9. Water supply systems carry out the supply of water including acqui- sition of water from a variety of natural water sources, its treatment, transmission, storage, and distribution to the consumers.

10. Water acquisition is storage of water in a variety of natural water sources (both surface and underground ones).

11. Natural water sources include both surface and subsurface ones.

12. The aim of water treatment is to make water suitable for human consumption or for any other purpose.

13. Water purification is accomplished at various sewage treatment fa- cilities.

14. Water treatment is necessarily a combination of several processes in which undesirable impurities or pollutants are removed or neutral- ized.

15. A significant mismatch between water supply and water demand in an area requires transportation of water over long distances.

16. Water distribution systems must deliver adequate quantities of water at pressures sufficient for operating plumbing fixtures.

 

Answer the following questions.

1. What are the definitions of the term “water supply”?

2. What are the proper Russian equivalents for the term “water sup- ply”?

3. Why has the importance of a sufficient supply of water long been a deciding factor in the location of settlements, towns and cities?

4. Why does providing a satisfactory supply of water in some inhabit- ed localities become a serious engineering task?

5. What is a water supply system, or water supply network?

6. The supply of water includes water acquisition, treatment, transmis- sion, storage, and distribution to the water consumers, doesn’t it?

7. Do natural sources of water include surface or underground ones?

8. What is water treatment? Where is it accomplished?

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9. What do conventional water treatment processes include?

10. For what purpose is water storage accomplished?

11. How is an elaborate network of pumps, pipelines and storage tanks called?

 

Choose the right variant according to the text.

1. An adequate supply of pure, wholesome and palatable water …

A. is especially true of towns situated on large inland lakes or rivers

B. is essential for the maintenance of high standards of health

C. may be taken from any source of water

D. should be protected from contamination by filtration

2. There are cities whose geographical location … .

A. makes water pass through an elaborate cycle of treatment

B. requires elaborate systems of water supply

C. makes the problem of water supply very difficult

D. calls for modern systems of water treatment

3. The geographic location of some towns and cities requires … .

A. the removal of undesirable impurities at various water treatment facilities

B. the application of additional water treatment methods

C. elaborate water supply systems

D. transporting water from areas of shortage to an area of abun- dance


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