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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. Ma/vr x 100/1






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






3. 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






4. These have weaker secondary bonds which allow the stretching






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






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






7. High pressure

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






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






10. Area parallel to force






11. Difference/original






12. 100GHZ+






13. Mass X gravity X height






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






15. Rubbers






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






17. Better properties that would come from machining






18. Usually used together - strengthening and toughness






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






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






21. Resulting from exposure to damp environments and liquids.






22. 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






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






24. 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






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






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






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






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






29. 1%<X<2% carbon. more cementite - used for files






30. 1GHZ






31. 100khz






32. Hard - brittle






33. 0.3%<X<0.6% carbon. mostly pear- lite - heat treatable. 0.4 used in axles






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






35. X<1% silicon no graphite - has carbon/carbide. very brittle






36. 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






37. Horizontal






38. 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






39. When upper die is dropped on bottom






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






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






42. Soft - ductile






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






44. Good toughness and fatigue. high strength structures






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






46. Load/area






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






48. AC to DC






49. Used where scarifical anodes cannot supply enough protection - offshore oil rigs - buried pipes - big things. protection is provided by connecting a rectifier to provide a direct current source between the anode and the metal being protected.






50. Produces; harder - stronger and less ductile product







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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