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






2. Better properties that would come from machining






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






4. 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.






5. Resulting from combined effect of stresses set up within the metal






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






7. Good high temp wear - tools






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






9. Difference/original






10. Mass X gravity X height






11. Ma/vr






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






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






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






15. Good toughness and fatigue. high strength structures






16. Load/effort






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






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






19. Good wear - case hardening. ball bearings






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. Hard - brittle






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






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






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






25. These have weaker secondary bonds which allow the stretching






26. High pressure

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27. Rubbers






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






29. Low pressure

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30. 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






31. 1/2Xmass X velocity X velocity






32. Ma/vr x 100/1






33. Hard - strong






34. 1/4 of the wavelength (higher better)






35. 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






36. Area load piston/area of effort piston






37. 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






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






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






40. 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






41. 1GHZ






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






43. 0.6%<X<1% carbon. almost entirely pearlite with cementite x>0.8% for high strength and wear






44. 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






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






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. Produces; harder - stronger and less ductile product






48. MA=VR






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






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







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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