زبان فنی مکانیک
زبان فنی مکانیک
1 www.afshar1.parsiblog.com Page 1. neutralize 2. nucleus 3. Formation
4. mud 5. beam 6. indicator 7. cliff 8. horsepower .9. spark 10. assist A 3 B B A
A _ B 11. alternative a. allow to go set free. 12. lapse b. material for producing heat or energy. 13. combustion c. force something out from its place. 14. fuel d. choice between two things. 15. release e. necessary or essential part. 16. component f. passing away, interval. g. process of burning. B false true 17. The elements can be combined to form compounds. 18. Elements are identified by the number of their atoms. 19. Neutrons are positive charges located in the nucleolus. 20. Scientists are quite sure about the formation of oil. 21. Coal and oil both easily vaporize. 22. When coal is imprisoned in rocks it turns into oil. 23. Aradar can t show ushow fast an object ismoving. 24. Combustion should be carried through the mixture very quickly. 25. The efficiency of a gasoline engine is about %25. 26. Fuel-air mixture is ignited by a distributer in an internal combustion engine. C 2 www.afshar1.parsiblog.com Page 2 %5 properties, inflammable, obstacle, combustion, vaporizes, 27. If the furnace is overcharged with fuel, heavy smoke will be produced through poor .. 28. When the waves hit an , they bounce back to the radar. 29. The tungsten wire inside an electric bulb sometimes . 30. The chemical of iron are different from those of steel. D 32. The four of an internal combustion engine start with and end with exhaust. 33. A sendsradar pulsesout and a receivesthe pulses reflected back from an object. 34. Oil in different .Imean 10, 20, 30 and 40 is used for lubrication. In thisway the between two surfacesisreduced. 35. Anymatter can be found in three forms, . , gasand .. E 2 36. If they had had a day off, they a trip to the north of Iran. a. would take b. would have taken c. will take d. take 37. We reserved some seats we could come back on time. a. to b. so as to c. so that d. such as 38. He never gets up late, ? a. does he b. doesn t he c. is he getting up d. he isn t 39. It was . Lovely day that we decided to gomountain climbing. a. so b. such c. such a d. too F. 40. Atoms can not be destroyed or changed in any way by chemical reactions. 41. Usually the oil rushes up the pipe with great force. G 3 www.afshar1.parsiblog.com Page 42. If this oil should catch alight, there would be a terrible fire. 43. The burned gasses then must be removed from the cylinder and be replaced by fresh gasoline and air mixture. 44. Combustible mixture is formed in carburetor by mixing liquid fuel with air. 45. After a well has been used for a long time, a pump is used to get the oil out. Good luck. Prepared by: A. Afshar Zarand 1389 H This document was created with Win2PDF available at http://www.daneprairie.com. The unregistered version of Win2PDF is for evaluation or non-commercial use only.