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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. 100khz






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






3. 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.






4. High pressure

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






6. Involves heating the piece above Red heat and then letting it cool in air. causes smaller grains






7. 0.15%<X<0.3% carbon. more pearlite - most common steel. weldable up to 0.2 used in structures






8. 0.6%<X<1% carbon. almost entirely pearlite with cementite x>0.8% for high strength and wear






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






10. Good toughness and fatigue. high strength structures






11. Usually used together - strengthening and toughness






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






13. 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.






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






15. Vertical






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






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






18. 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






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






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






21. Load/area






22. These have weaker secondary bonds which allow the stretching






23. 1/4 of the wavelength (higher better)






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






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






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






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






28. AC to DC






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






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






31. 10MHZ






32. Produces; harder - stronger and less ductile product






33. Better properties that would come from machining






34. Rubbers






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






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






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






38. 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






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






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






41. 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






42. Mass X gravity X height






43. Load/effort






44. Soft - ductile






45. 1/2Xmass X velocity X velocity






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






47. 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






48. 1%<X<2% carbon. more cementite - used for files






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






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







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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