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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. AC to DC






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






3. 0.3%<X<0.6% carbon. mostly pear- lite - heat treatable. 0.4 used in axles






4. Rubbers






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






6. 0.15%<X<0.3% carbon. more pearlite - most common steel. weldable up to 0.2 used in structures






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






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






9. Load/effort






10. A strong hard building material composed of sand and gravel and cement and water






11. 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






12. Vertical






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






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






15. Elongation of grain flow in direction of rolling






16. Soft - ductile






17. 1/2Xmass X velocity X velocity






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






19. When upper die is dropped on bottom






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






21. Low pressure

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22. 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






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






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






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






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






27. 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






28. Hard - strong






29. 100GHZ+






30. 1/4 of the wavelength (higher better)






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






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






33. Better properties that would come from machining






34. 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.






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






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






37. Can only be softened once - bonded strongly - generally stronger that thermoplastics. stronger secondary bonds






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






39. 100khz






40. Load/area






41. 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






42. These have weaker secondary bonds which allow the stretching






43. Good high temp wear - tools






44. MA=VR






45. Resulting from exposure to damp environments and liquids.






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






47. Ma/vr






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






49. A flexible communications cable that contains pairs of insulated copper wires that are twisted together for reduction of EMI and RFI and covered with an outer insulating jacket.






50. Area load piston/area of effort piston







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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