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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. Produces; harder - stronger and less ductile product






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






3. 100khz






4. Usually used together - strengthening and toughness






5. 10MHZ






6. 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






7. 1/2Xmass X velocity X velocity






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






9. 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






10. 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






11. Low pressure

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12. Good high temp wear - tools






13. Better properties that would come from machining






14. These have weaker secondary bonds which allow the stretching






15. 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






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






17. 1GHZ






18. When upper die is dropped on bottom






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






20. Mass X gravity X height






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






22. Rubbers






23. Ma/vr x 100/1






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






25. Sound waves sent through a material - much like sonar. Internal defects appear because they use more energy to go through it.






26. 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






27. Based on the principle that magnetic materials will have distorted magnetic fields in the vicinity of material defects






28. AC to DC






29. MA=VR






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






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






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






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






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






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






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






37. 1/4 of the wavelength (higher better)






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






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






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






41. Horizontal






42. Soft - ductile






43. Between 2000-35 -700km above the earth's surface.






44. 1%<X<2% carbon. more cementite - used for files






45. Good toughness and fatigue. high strength structures






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






47. Load/area






48. 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






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






50. Hard - brittle







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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