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






2. 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






3. Good wear - case hardening. ball bearings






4. Ma/vr x 100/1






5. MA=VR






6. Ma/vr






7. Hard - strong






8. Load/effort






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






10. Produces; harder - stronger and less ductile product






11. Soft - ductile






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






13. Horizontal






14. 10MHZ






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






16. High pressure

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17. 100khz






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






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






20. 1GHZ






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






22. 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






23. Elongation of grain flow in direction of rolling






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






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






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






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






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






29. 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






30. AC to DC






31. 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






32. 0.3%<X<0.6% carbon. mostly pear- lite - heat treatable. 0.4 used in axles






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






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






35. 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






36. Difference/original






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






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






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






40. 1%<X<2% carbon. more cementite - used for files






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






42. 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






43. Load/area






44. 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






45. Good high temp wear - tools






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






47. Vertical






48. 100GHZ+






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






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