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






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






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






4. These have weaker secondary bonds which allow the stretching






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






6. 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.






7. High pressure

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


8. 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






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






10. MA=VR






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






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






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






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






15. Produces; harder - stronger and less ductile product






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






17. Ma/vr x 100/1






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






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






20. When upper die is dropped on bottom






21. AC to DC






22. Mass X gravity X height






23. 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.






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






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






26. Good wear - case hardening. ball bearings






27. Hard - strong






28. 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






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






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






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






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. 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






34. Good toughness and fatigue. high strength structures






35. 0.6%<X<1% carbon. almost entirely pearlite with cementite x>0.8% for high strength and wear






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






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






38. Area load piston/area of effort piston






39. Low pressure

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


40. Resulting from exposure to damp environments and liquids.






41. Better properties that would come from machining






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. Difference/original






44. Area parallel to force






45. Good high temp wear - tools






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






47. Usually used together - strengthening and toughness






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






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






50. 1/2Xmass X velocity X velocity