Test your basic knowledge |

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






2. Difference/original






3. Usually used together - strengthening and toughness






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






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






6. Better properties that would come from machining






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






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






9. 0.3%<X<0.6% carbon. mostly pear- lite - heat treatable. 0.4 used in axles






10. Load/area






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






12. Good toughness and fatigue. high strength structures






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






14. A device that converts the AC inside a DC generator to a DC output or converts a DC supply to an AC inside a DC motor.keeping the armature rotating






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






16. Horizontal






17. Ma/vr x 100/1






18. High pressure

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


19. Area parallel to force






20. 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.






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






22. These have weaker secondary bonds which allow the stretching






23. AC to DC






24. Low pressure

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


25. Hard - strong






26. 10MHZ






27. 0.15%<X<0.3% carbon. more pearlite - most common steel. weldable up to 0.2 used in structures






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






29. 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






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






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






32. 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.






33. Hard - brittle






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






35. MA=VR






36. Vertical






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






38. 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






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






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 Fluorescent light is turned on to expose any left over - I.e in the cracks






41. Rubbers






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






43. 100GHZ+






44. Load/effort






45. Good wear - case hardening. ball bearings






46. When upper die is dropped on bottom






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






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






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






50. 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