
- •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
quality, n качество
determine, v определять
elementarycomposition элементарный состав
calorific (heat) value теплотворная способность;
теплотворность; теплота сгорания
available, adjзд. полезный
viscosity, n вязкость
specific gravityудельныйвес
flash point температуравспышки
ignition temperature температуравоспламенения
pourpoint температура застывания
carbon, n углерод
hydrogen, n водород
oxygen, n кислород
sulphur, n сера
nitrogen, n азот
constituent, n составная часть
release, n освобождать; выделять
resistance, n сопротивление
flow, n течение; текучесть
viscosity meter вискозиметр
relation, n отношение
weight, n вес
volume, n объем
ignite, v зажигать; воспламенять
disappear, v исчезать
handle, vзд. перекачивать
carboncontent содержание углерода
ash content зольность
mechanical impurities механическиепримеси
total acidity общаякислотность
alkaliщелочь
E X E R C I S E S
1.Give English equivalents:
Состоять из; топливо; основные составляющие; величина; высшая теплота сгорания (теплотворность); низшая теплота сгорания (теплотворность); с помощью калориметра; меняться, варьироваться; так как; в зависимости от; вискозиметр; измерять; секунды Редвуда или Сейболта; на 40 выше; самая низкая температура; содержание влаги; ванадий; натрий.
2. Ask questions according to the model:
Model. The physical characteristics of this oil should be determined at once. What should be determined at once? |
The specific gravity should be obtained by means of a hydrometer.
The viscosity of oil should be determined at 50-80C.
The constituents of oil should be burnt in suspension.
The fuel oil and the air should be preheated for complete combustion.
3. Complete the sentences:
We determine the quality of fuel by such characteristics as … .
Fuel oil is composed of … .
The Higher Calorific Value is … .
The Lower Calorific Value is … .
We determine the B.t.u. equivalent of oil fuel by … .
Viscosity is … .
A viscosity meter is a device … .
Specific gravity is a relation … .
The flash point is the temperature … .
Pour point is the temperature … .