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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. MA=VR






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. Produces; harder - stronger and less ductile product






6. These have weaker secondary bonds which allow the stretching






7. 1/2Xmass X velocity X velocity






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






9. 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






10. Better properties that would come from machining






11. 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






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






13. AC to DC






14. Good high temp wear - tools






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






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






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






18. Load/area






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






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






21. 100GHZ+






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






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






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






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






26. Area load piston/area of effort piston






27. 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






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






29. Area parallel to force






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






31. 100khz






32. 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






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






34. 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






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






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






37. Vertical






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






39. Hard - brittle






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






41. Ma/vr






42. Ma/vr x 100/1






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






44. Hard - strong






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






46. Mass X gravity X height






47. Load/effort






48. 1/4 of the wavelength (higher better)






49. 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






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







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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