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Engineering Studies

Subject : engineering
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Between 2000-35 -700km above the earth's surface.






2. Majority silicon X>1.5% for graphite. Graphite in flakes that cause stress points






3. Resulting from combined effect of stresses set up within the metal






4. x<0.15% carbon. ferrite. good for cold working - rolling sheets






5. Better properties that would come from machining






6. Soaked cast iron at 870c for long time then cooled slow






7. These have weaker secondary bonds which allow the stretching






8. Makes brittle by heating and then cooling quickly - less flexible. Red Heat then quenching






9. A solid state component made from three layers of semiconductor material that can amplify the strenght of an electric signal or act as an electronic switch






10. 1%<X<2% carbon. more cementite - used for files






11. Vertical






12. Good wear - case hardening. ball bearings






13. Forming of metal by compressive force above recrystallization point.






14. Controlled cooling after heating metal to attain a degree of hardness. removes internal stresses






15. Resulting from exposure to damp environments and liquids.






16. Mass X gravity X height






17. The quantity of information that can be transmitted through a communication medium in a given amount of time.






18. A method of transmitting signals by changing the frequency of a wave






19. A device that converts the AC inside a DC generator to a DC output or converts a DC supply to an AC inside a DC motor.keeping the armature rotating






20. Load/effort






21. Resulting from exposure to oxygen in the atmosphere - chemical fumes - steam - flue gas. creates a layer of metal oxide.






22. Occurs when the metal is hammered by a vertically moving tool onto a stationary tool






23. Solid at room temp - weak secondary bonds. can be reheated multiply times.






24. Elongation of grain flow in direction of rolling






25. Use of xrays passed through the material to make a visual record of internal structures on specially sensitized film






26. 100khz






27. Usually used together - strengthening and toughness






28. Degradation of a signal as it travels over a cable. Attenuation increased with higher frequencies






29. High pressure

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30. 100GHZ+






31. Good high temp wear - tools






32. Soft - ductile






33. Area load piston/area of effort piston






34. Good toughness and fatigue. high strength structures






35. MA=VR






36. When upper die is dropped on bottom






37. Can be reflected of the ionosphere - 3 to 30 megahertz






38. An orbit less than 1 -500 km. above the Earth's surface.






39. Being forced - under pressure - through a hole like toothpaste. either hot or cold






40. Dye is sprayed onto a surface - with excess being wiped away - meaning any left on the piece would be in cracks that exist in it. A Fluorescent light is turned on to expose any left over - I.e in the cracks






41. Produces; harder - stronger and less ductile product






42. A method of transmitting signals by changing the amplitude of a waves






43. Glass made with plates of plastic or resin or other material between two sheets of glass to prevent shattering






44. A motor that is light - rugged and very reliable - runs on ac current and are more common in robotics. Can only run at a certain speed






45. Difference/original






46. Glass that is strengthened by introducing stress through rapid heating and cooling of the glass surfaces






47. Maximum bending moments X distance to natural axis/ second moment of area






48. Ma/vr






49. Steel reinforcing rusts - rust has a greater volume concrete then breaks of as a result.






50. Dye is sprayed onto a surface - with excess being wiped away - meaning any left on the piece would be in cracks that exist in it. A developer is then added to it to expose any left over - I.e in the cracks






Can you answer 50 questions in 15 minutes?



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