Exercise 8

Answer the following questions:

1. Why is gas supply one of the indispensable part of modern

amenities?

2. Can gas be used in blocks of flats that have more than 12 storey?

3. What is the purpose of ventilation in buildings ?

4. Why do industrial buildings present special problem in ventilation?

5. Why is air conditions of great significance?

6. Is there difference in air conditioning for winter and summer?

Exercise 9

Agree or disagree with the following statements. Give your reasons.

1. Air conditioning implies the transmission of energy in the form of waves.

2. The purpose of ventilation is to carry away excess heat and odors.

3. The basic pieces of air conditioning equipment are stokers, coal furnaces and boilers.

4. Natural gas supply is used only in old buildings.

Exercise 10

Choose the correct answers.

1. As for fuels we use for heating buildings they include coal, oil, manufactured and natural …

a) water b) gas c) dust

2. Panel heating is a method introducing … to rooms in which the emitting surfaces are usually completely concealed in the floor, walls or ceiling.

a) refrigeration b) cooling c) heat

3. There are two most common systems of heating: hot water and …

a) electricity b) wood c) steam

4. Possibly the most efficient filtering device is electrostatic …

a) precipitator b) hoods c) exhaust systems

Exercise 11

Make up questions for the following statements:

1. Heating and ventilation are concerned with providing a required atmospheric environment within a space.

(What | heating and ventilation | to be concerned with | ?)

2. A hot-water system consists of the boilers and a system of pipes.

(What | hot water system | to consist of | ?)

3. The basic advantage of panel heating is that of comfort.

(What | to be | the basic advantage of panel heating | ?)

4. The air valve on each radiator is necessary for air to escape.

(What | air valve | to be necessary for | ?)

EXERCISE 12

Make up a plan for retelling the text. Be ready to retell the text.

UNIT 7

Water supply and removal of sewage

EXERCISE 1

Read and translate the following international words, paying attention to the part of speech. Consult the dictionary.

sanitary [;s@nit{ri] a, system [;sistim] n, pollution [p{;luS{n] n, geographical [,dZi{;gr@fIk{l] a, reservoir [;rez{vwa:] n, convection [k{n#vekS({)n] n, disinfection [,disin;fek({)n] n, bacteria [b@k;tiri{] n, sanitation [,s@ni;teiS{n] n.

EXERCISE 2

Read and remember the following “faux amis”:

adequate [;@dikwit] адекватный, достаточный, компетентный.

circulation циркуляция, тираж.

EXERCISE 3

Read and remember the following words and phrases.

sewage [;sju:idZ]	сточные воды; нечистоты
disposal [dis;pouz{l]	избавление; устранение; удаление
divert [dAi;v{:t]	отводить
supply [sə;plAi]	снабжать
foul [fAul]	засорять; пачкать
predict [pri;dikt]	предсказывать
disastrous [di;zastrəs]	бедственный
wholesome  [;houlsəm]	полезный; здоровый; безопасный
palatable [;pælətəbl]	вкусный; приятный
essential [I;senSəl]	существенный; необходимый
maintenance [;meintənəns]	сохранение; поддержка
elaborate [I;l@b{r{t]	тщательно продуманный
spring	родник; источник
well	колодец
convey	переправлять; передавать
accomplish	выполнять; совершать
conduit [;kOndit]	трубопровод; водопроводная труба
impurity	примесь; засорение
treatment	обработка
sink (sank, sunk)	опускать(ся); оседать
set up	подготавливать; начинать
waste	отбросы
lavatory	уборная
laundry [;lO:ndri]	прачечная
run off	отбросы; отходы
sewer [sjuə]	коллектор
designate [;dezigneit]	определять; обозначать
chemicals [;kemik(ə)lz]	химикаты
purity [;pju{riti]	чистота
plumbing	водопровод, прокладка труб
impel	побудительный
recipient	реципиент, приемник, получатель