Check yourself according to the chosen levels

Level A

Task 1. Join pairs of the following words and phrases according to the meanings.

1) pressure welding	a) болтовое (клепаное) соединение
2) heat welding	b) зависеть от свойств металлов
3) bolting	c) плавкий материал
4) welding process	d) непрерывная подача электрического тока
5) depend on the properties of metals	e) имеющееся оборудование
6) available equipment	f) сварка давлением
7) fusible material	g) дефектный сварной шов
8) defective weld	h) процесс сварки
9) alternative electrical current	i) источник электрического тока
10) electric power source	j) тепловая сварка

Task 2. Translate the following words and phrases into English.

Вольфрамовый электрод, инертный газ, окисление, высококачественный сварочный шов, скорость сварки, углекислый газ, аргон, гелий, жидкий металл, слой плавкого материала в виде гранул, листовой материал, полуавтоматические сварочные станки.

Task 3. Make up questions to which the following sentences might be the answers.

1. Heat welding is the most common welding process used today.

2. There are also other types of welding.

3. The welding process depends greatly on the properties of the metals.

4. This process is also called electroslag welding.

5. Other joining processes are laser welding, and electron-beam welding.

Task 4. Make your annotation of the text “Welding processes” according to the following structure:

1. Sphere of knowledge this information belongs to.

2. The theme of the text.

3. Summary of the text.

Before doing this task consult Supplement 1 and study how to write annotations. Remember that it is necessary to use the language clichés.

 Find a partner, make a dialogue according to the given situation and be ready to present it to your group.

The situation: You are going to start your own business and found a firm, providing welding services. You can’t decide if it really worth choosing this sphere. Discuss pros and cons of such business in your city (region/country). Will it be profitable/in good demand?

Level B

Task 1. There are some words:

High, joint, advantage, break, liquid, add, manufacture, low, attach, several, similar, divide, long, produce, some, different, cold, create, junction, fusible, join, solid, short, meltable, reduce, heat, classify, disadvantage.

Fill in the table according to the sense. The first line in the table has been already done for you as an example. Time for doing this task is limited – 5 minutes. Mind the time, please.

synonyms	antonyms
joint – junction	add – reduce
… - …	… - …
… - …	… - …
… - …	… - …
… - …	… - …
… - …	… - …
… - …	… - …

Task 2. Define whether these statements are true or false:

1. Heat welding is the most common welding process used today.

2. The welding processes widely employed today include gas welding, laser welding, and resistance welding.

3. Arc welding has no advantages over other welding methods.

4. In gas-metal welding, a bare electrode is shielded from the air by surrounding it with argon or carbon dioxide gas and sometimes by coating the electrode with flux.

5. Submerged-arc welding is also called electroslag welding. It is very efficient but can be used only with steels.

6. The point where the two metals touch creates resistance to the flow of current.

Task 3. a) Make up 4 questions of the different types on the text “Welding processes”.

b) Change each of the following sentences into Past and Future Simple.

1. Nowadays welding is used instead of bolting and riveting in the construction of many types of structures, including bridges, buildings, and ships.

2. The welding process depends greatly on the properties of the metals, the purpose of their application and the available equipment.

3. The point where the two metals touch creates resistance to the flow of current.

4. It requires a continuous supply of either direct or alternating electrical current.

5. There are also other types of welding.

Task 4. Read the text “Welding processes” again and make your summary of the text. Before doing this task consult Supplement 1 and study the information how to write summaries and look through the example. Remember that it is necessary to use key words and the language clichés.

 Imagine that you and your colleagues are going to discuss the advantages of using welding in the industry of our region. Enumerate some advantages of welding processes.

Level C

Task 1. Complete each sentence, using the words given. One word may be used once. Give translations of these words and define what part of speech they are.

Завершите каждое предложение, используя слова, данные ниже. Каждое слово может быть использовано единожды. Дайте перевод этих слов и определите, какой они части речи.

Gas, rate, basic, welding, according to, flame, joined by, industries, pressure, metals, heat.

1. Welding is also a … process in the manufacture of machinery and in the motor and aircraft … .

2. Welding processes are classified … the sources of … and … used.

3. … welding is a non-pressure process using heat from a gas … .

4. However, the … of welding is considerably slower in gas-tungsten … than in other processes.

5. Most … can be … this process.

Task 2. Translate these sentences into Russian.

Переведите эти предложения на русский язык.

1. In resistance welding, heat is obtained from the resistance of metal to the flow of an electric current.

2. The heat from the arc melts the edges of the metal.

3. A bare electrode is shielded from the air by surrounding it with argon or carbon dioxide gas.

4. Submerged-arc welding is similar to gas-metal arc welding.

5. Electrodes are clamped on each side of the parts to be welded.

6. Resistance causes heat which melts the metals and creates the weld.

Task 3 a) Make sentences, using the following words. If it is necessary, look through the text once again.

Составьте предложения, используя следующие слова. При необходимости просмотрите текст данного раздела еще раз.

1. The, greatly, welding, of, process, the properties, depends on, the metals.

2. An, and, drawing, of, the tip, electric, by, arc, touching, is formed, the electrode, it, to, the metal, then, away.

3. Electroslag, only, efficient, steels, welding, be, is, very, but, can, with, used.

4. The, between, the arc, heat, from, the edges, the metal, formed, of, the electrode, and, melts, the metal.

b) Define Grammar Tense and the Voice of each verb in the sentences from Task 3 a).

Определите время и залог каждого глагола в предложениях из Задания 3 а).

Task 4. Read the text “Welding processes” again and formulate the main idea of each paragraph.

Прочитайте текст “Сварочные процессы” еще раз и сформулируйте главную идею каждого абзаца.

 Imagine that you and your colleagues are going to the international conference devoted to welding processes. Think of some three interesting titles for the reports which you would present.

Представьте, что Вы и Ваши коллеги собираетесь на международную конференцию, посвященную сварочным процессам. Подумайте над тремя интересными заголовками для докладов, которые Вы бы представили там.