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






2. 10MHZ






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






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






5. Supply current to the rotating commutator from an external source






6. 100GHZ+






7. Results from the changing anode and cathode regions over the entire surface






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






9. Field winding parallel to armature winding. Bad for direct coupling






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






11. Good wear - case hardening. ball bearings






12. Elongation of grain flow in direction of rolling






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






14. High pressure

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15. 100khz






16. Small amounts of magnesium to make spheres instead of flakes. thus no stress concentrations






17. 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






18. Area load piston/area of effort piston






19. AC to DC






20. 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






21. Ma/vr






22. A cable made of optical fibers that can transmit large amounts of information at the speed of light






23. Softening a material such as metal by controlled heating and cooling. This makes the metal less brittle and more easily adaptable. Soaking till austenite then cooling slowly. large grains






24. Allows for another signal to be sent along the carrier signal






25. Good high temp wear - tools






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






27. Hard - strong






28. Involves heating the piece above Red heat and then letting it cool in air. causes smaller grains






29. Good toughness and fatigue. high strength structures






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






31. These have weaker secondary bonds which allow the stretching






32. 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






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






34. An orbit in which a satellite orbits Earth at the same rate as Earth rotates and thus stays over the same place all the time






35. 1/4 of the wavelength (higher better)






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






37. Squeezing of the hot metal between two shaped dies excess is cut off






38. Low pressure

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39. 0.3%<X<0.6% carbon. mostly pear- lite - heat treatable. 0.4 used in axles






40. Usually used together - strengthening and toughness






41. Mass X gravity X height






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






43. MA=VR






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






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






46. Vertical






47. 1/2Xmass X velocity X velocity






48. The greater the sulphur the harder the rubber to stretch






49. Us a metal that is more reactive. It is connect to another metal and corrodes instead of the other metal. the Anode is replaced periodically






50. 1GHZ







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Can you answer 50 questions in 15 minutes?


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