1. Most lines being laid at present are a combination of the tided and weldless pipes. 2. Practically all transmission lines laid prior to 1900 were of wrought iron. 3. Currently 42 inches pipe is the upper diameter limit on pipelines built in the USA. 4. Welding processes are widely used now in the construction of oil pipes being built in our country. 5. Some methods being used by the company are proved to be very useful and efficient.
XI. Translate into English.
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XII. Translate the following sentences into Russian paying attention to the use of when, while and other conjunctions together with the Participle.
1. When developing a new field one of the first considerations which must be taken into account is the provision of pipe line facilities to carry the product to a distributing point. 2. While pumped different grades of oil should not be mixed. 3. When passed through all these operations the pipe line is carefully laid on the bottom of a trench dug by an excavator. 4. It is a physical law that the pressure of a given volume of gas will increase if heated and contracted when cooled.
XIII. Translate the sentences and define the function of the Participle.
1. Other equipment widely used included pipe bending and screwing machines. 2. Fabricated piping was normally moved by A-frame truck, as complicated shapes could not be economically handled on flat bed trucks. 3. Galvanized iron is iron covered with a thin layer of zinc to protect it from rusting. 4. Substances obtained contained no admixtures. The substance heated changed its property. 5. The pipes made of iron or steel are used in oil and gas industry.
XIV. Translate the following sentences into Russian paying attention to the use of the Absolute Participial Construction.
1. Many experiments having been done, Russian scientists developed new devices for remote control of the system. 2. Technique having reached a high stage of development, new methods of work became possible. 3. Russian scientists and inventors had to work under the most difficult conditions, the tsarist government taking little interest in the development of Russian science and technique. 4. Our scientists come to the aid of geologists, their common efforts resulting in the discovery of new mineral deposits. 5. Numerous attempts having been made, w came to a successful solution of the problem. 6. The total length of the gas pipe line is 850 km 59 km of which being gathering lines while the rest is the length of the trunk line. 7. Oil may be also transported from Baku in tankers along the coasts of the Caspian Sea and up the Volga to any town of Central Russia, water transportation being cheaper than transmitting oil by railway tank cars. 8. The operating pressure of the line having been agreed upon, calculations of horsepower could be easily made.
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UNIT 5
MANUFACTURE OF PIPELINES
I. Study the vocabulary.
| 1. arc welding (electric arc welding) 2. butt 3. butt welded 4. collar 5. contraction 6. exert 7. expansion 8. forge 9. forging 10. fusion welding 11. lap weld 12. leaky 13. length 14. overlap 15. oxyacetylene welding 16. plain end 17. pipe coupling 18. pipe tongs 19. punch 20. reheating 21. rolling 22. rotary piercer 23. rough tube 24. scarf 25. screwed connection 26. solid billet 27. threaded 28. welded pipe 29. weldless (seamless) pipe 30. withstand 31. wrench | 1. 2. ; 3. 4. 5. , 6. 7. 8. , 9. ; () 10. 11. 12. , ; 13. 14. ; , 15. 16. , () 17. ; 18. 19. , ; ; 20. , 21. , , 22. 23. ( ) 24. ; ; , ; 25. 26. () 27. , , 28. 29. () 30. 31. |
