Английский язык для инженеров сварочного производства. Гричин С.В - 32 стр.

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11 Say if the following is true or false. Correct the false sentences.
1. Only heat is used for joining metallic parts in welding.
2. The process of carburization of iron is rather new.
3. The blacksmith and the jeweler continue to use welding techniques in their
work.
4. Welding is the only technique of joining metallic parts.
5. The modern electrode consists of a bare wire with asbestos.
6. Arc welding was not used after World War II.
7. Diffusion bonding and friction welding are solid-phase processes.
8. Riveting is now widely used for producing an enclosed container such as a
boiler.
12 Answer the following questions.
1. What is welding?
2. How was welding discovered?
3. Who were the first welders?
4. What did the first welding technique for making blades involve?
5. Did the improvement in iron-making techniques conduce to the
development of welding?
6. Is it efficient to apply riveting for making boilers?
7. When did gas, arc and resistance welding appear?
8. What was the quality of the welds produced by the arc welding using bare
wires like?
9. What does the coating of the modern electrode consist of?
10. What are the years 1877, 1916, and 1948 remarkable for in terms of
welding?
13 Translate from Russian into English.
1. Арабских оружейников, изготавливавших кованые клинки, можно
считать первыми сварщиками.
2. Появление методов сварки плавлением было обусловлено
необходимостью производства изделий из крупнолистовой стали.
3. Впервые сварка стала использоваться в массовом производстве во
время первой мировой войны.
4. Вторая мировая война ускорила внедрение электродуговой сварки.
5. Современный сварочный электрод имеет сложное покрытие,
состоящее из композитных материалов.
6. Помимо сварки, клепка и болтовые соединения являются основными
методами соединения металлов.