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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 combined effect of stresses set up within the metal






2. Area load piston/area of effort piston






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 Fluorescent light is turned on to expose any left over - I.e in the cracks






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






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






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






7. Rubbers






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






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






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






12. 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.






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






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






15. Mass X gravity X height






16. 1/4 of the wavelength (higher better)






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






18. 1/2Xmass X velocity X velocity






19. Ma/vr x 100/1






20. Hard - brittle






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






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






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






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






25. 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






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






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






28. When upper die is dropped on bottom






29. Elongation of grain flow in direction of rolling






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






31. 100GHZ+






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






33. Difference/original






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






35. 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






36. These have weaker secondary bonds which allow the stretching






37. Load/area






38. High pressure

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






40. Better properties that would come from machining






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






42. 0.3%<X<0.6% carbon. mostly pear- lite - heat treatable. 0.4 used in axles






43. Good wear - case hardening. ball bearings






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






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






46. 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






47. 10MHZ






48. 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






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






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







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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