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






2. 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.






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






4. Good toughness and fatigue. high strength structures






5. 1%<X<2% carbon. more cementite - used for files






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






7. 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






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






9. Hard - brittle






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






11. Hard - strong






12. Area parallel to force






13. When upper die is dropped on bottom






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






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






16. Better properties that would come from machining






17. 100khz






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






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






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






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






22. Load/effort






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






24. Difference/original






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






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






27. Horizontal






28. Produces; harder - stronger and less ductile product






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






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






31. 1GHZ






32. Area load piston/area of effort piston






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






34. Mass X gravity X height






35. 0.15%<X<0.3% carbon. more pearlite - most common steel. weldable up to 0.2 used in structures






36. 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






37. 100GHZ+






38. Soft - ductile






39. Rubbers






40. 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






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






42. 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






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






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






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






46. Good high temp wear - tools






47. High pressure

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48. Ma/vr






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






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







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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