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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. Maximum bending moments X distance to natural axis/ second moment of area






2. Rubbers






3. High pressure

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4. 10MHZ






5. Low pressure

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






7. AC to DC






8. Load/area






9. Good wear - case hardening. ball bearings






10. Elongation of grain flow in direction of rolling






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






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






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






14. When upper die is dropped on bottom






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






16. Usually used together - strengthening and toughness






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






18. 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.






19. Load/effort






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. Hard - brittle






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






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






25. 100GHZ+






26. Produces; harder - stronger and less ductile product






27. 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






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






29. Good toughness and fatigue. high strength structures






30. Soft - ductile






31. Ma/vr






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






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






34. These have weaker secondary bonds which allow the stretching






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






36. 0.15%<X<0.3% carbon. more pearlite - most common steel. weldable up to 0.2 used in structures






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






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






39. Horizontal






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






41. 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






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






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






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






45. 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






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






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






49. Mass X gravity X height






50. 1/2Xmass X velocity X velocity