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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. Area parallel to force






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






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






4. Low pressure

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5. 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






6. Vertical






7. Ma/vr






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






9. Elongation of grain flow in direction of rolling






10. Better properties that would come from machining






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






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






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






14. 100khz






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






16. When upper die is dropped on bottom






17. Produces; harder - stronger and less ductile product






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






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






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






21. Load/effort






22. 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.






23. Difference/original






24. Good toughness and fatigue. high strength structures






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






26. Area load piston/area of effort piston






27. Hard - strong






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






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






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






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






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






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






34. 0.6%<X<1% carbon. almost entirely pearlite with cementite x>0.8% for high strength and wear






35. 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






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






37. Hard - brittle






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






39. 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






40. Usually used together - strengthening and toughness






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






42. 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.






43. 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






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






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






46. Mass X gravity X height






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






48. 1GHZ






49. Horizontal






50. Resulting from exposure to damp environments and liquids.







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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