- •Vocabulary
- •Give English equivalents.
- •2. Ask questions according to the models.
- •3. Supply prepositions.
- •4. Complete the sentences. Choose the right word from the list. There are more words than necessary!
- •5. Answer the questions.
- •6. TranslateintoEnglish.
- •7. Write a dictation.
- •Vocabulary
- •1. Choose the proper verb form.
- •2. Answer the questions.
- •Vocabulary
- •1. GiveEnglishequivalents:
- •2. Complete the sentences:
- •3. Give English equivalents to the words in brackets:
- •4.Self-assessment questions:
- •5. Translate into English:
- •1. Translate the word combinations into Russian and use them in your own sentences.
- •2. Choose the proper verb form, active or passive.
- •Vocabulary
- •1. TranslateintoEnglish.
- •2. Supply the proper preposition.
- •Vocabulary
- •Give English equivalents:
- •Answer the questions according to the models:
- •Match the type of the boiler with its principle of classification:
- •Self-assessment questions:
- •5.Translate into English:
- •1. Find the corresponding English translation in the text and memorize the words.
- •2. Put questions to the sentences.
- •Vocabulary
- •1. Give answers to the questions:
- •2. Translate into English:
- •Vocabulary
- •1.Give English equivalents:
- •2. Ask questions according to the model:
- •3. Complete the sentences:
- •4. Answer the questions:
- •5. Translate into English.
- •2. Translate the word combinations and use them in your own sentences.
- •Vocabulary
- •1. Supply prepositions.
- •2. Answer the questions.
- •Vocabulary
- •1. GiveEnglishequivalents:
- •2.Change these sentences using the modal verbs may, can, must:
- •3. Change these sentences into the passive:
- •4. Supply prepositions:
- •5. Answer the questions:
- •6. TranslateintoEnglish:
- •2. Complete the sentences.
- •Vocabulary
- •1. Change these sentences using the modal verbs may, can, must:
- •2. Change these sentences into the passive:
- •Vocabulary
- •1. Give English equivalents.
- •2. Supply prepositions.
- •3.Self-assessment questions.
- •4. Translate the words into Russian.
- •5. Choose the proper verb and put it into the correct form. There are more verbs than necessary.
- •6. Translate into English:
- •Unit VI. The superheater
- •Vocabulary
- •1. GiveEnglishequivalents:
- •Saturation, inlet, tubes, outlet, drums, safety valve, uptake, headers
- •3. Answer the questions:
- •Vocabulary
- •1. GiveEnglishequivalents:
- •2. Insert prepositions and conjunctions:
- •3. Answer the questions:
- •4. Translate the phrases containing comparatives and superlatives:
- •5. Translate into English:
- •1. Find English equivalents in the text.
- •2. Write down all the imperative phrases typical for this instruction.
- •3. Put questions to the sentences.
- •Vocabulary
- •1. Combine these pairs of sentences by using “if”.
- •2. TranslateintoEnglish.
- •Irregularities in operation, causes and remedies
- •Vocabulary
- •1. Replace the imperative sentences (remedy) by the following structures:
- •2. Translate these phrases into Russian:
Vocabulary
steady, adjустойчивый
firebrick, n огнеупорныйкирпич
brickwork, n кирпичнаякладка
insulation, n изоляция
assist, v помогать; способствовать
waterwall экран из водогрейных трубок
amount, n количество
setting, n кладка; обмуровка
set of conditions комплексусловий
maintenance, n поддержание
atomize, v распылять; тонко измельчать
tobreakup разбивать(ся)
droplet, n капля
surface, n поверхность
mechanical oil burner механическаяфорсунка
steam-assisted oil burner паромеханическаяфорсунка
centrifugal atomizer центробежныйраспылитель
rotary cup atomizer форсункасвращающимсяраспылителем
range, n диапазон
oil feed подачатоплива
E X E R C I S E S
1. Give English equivalents.
Обеспечивать; горение топлива; облицовывать (футеровать); выступать в качестве; горение; тянуться; поддерживать; высокая топочная температура; непрерывная подача; продукты сгорания; топливоподогреватель; уменьшать вязкость; проходить; мелкораспыленная струя; по методу распыления; преимущество; регулирование.
2. Supply prepositions.
Water-tube boilers are lined … refractory firebrick.
The brickwork acts … furnace insulation.
Water walls consist … a number of tubes and extend … the sides of the furnace setting.
The oil is first heated … steam or electric fuel oil heaters.
The heated oil passes … the burners where it is atomized.
Mechanical atomizing oil burners may be classified … … their method of atomization.
Steam-assisted oil burners are widely spread … marine practice.
3.Self-assessment questions.
What does a furnace provide?
What are furnace walls lined with?
What is the function of water walls?
What set of conditions is necessary to provide the efficient burning of oil fuel?
Why should the oil be heated?
What types of burners do you know?
What are the advantages of steam-assisted oil burners?
4. Translate the words into Russian.
Heat-heater-heated-heating; obtain-obtainable-unobtainable; reduce-reduction; viscosity-viscous; provide-provision; pass-passage; vaporize-vapour-vaporization-vaporizer; atomize-atomizer-atomization; revolve-revolution-revolving; rotate-rotation-rotating-rotary.
5. Choose the proper verb and put it into the correct form. There are more verbs than necessary.
The oil … in steam or electric fuel oil heater.
Heating … oil viscosity and … it easier to pump, filter and atomize.
The heated oil … through the burners where it is … .
Mechanical oil burners and steam-assisted ones … to obtain efficient atomization.
The furnaces of water tube boilers … with refractory firebrick.
(to heat, to regulate, to pass, to consist of, to reduce, to make, to atomize, to employ, to line, to depend)