Test your basic knowledge |

Mechanical Systems 3

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. Friction is involved when?






2. What is an example of a third class lever?






3. How is work done?






4. What does a micrometer measure?






5. The bevel gear is used to connect what?






6. What is the power formula?






7. A miter gear connects what?






8. What is the third thing a gear can do?






9. How can you figure out the mechanical advantage of most block and falls by glance?






10. What is the theoretical mechanical advantage of any gear train?






11. What is another example of a wheel and axle?






12. What is the purpose of a third class lever?






13. What is the mechanical advantage for a single fixed block?






14. What is the lever formula?






15. Belt drive Gear 1 has 32 teeth and gear 2 and 3 have 8 teeth - for 1 revolution that gear 1 makes how many revolutions do gears 2 and 3 make?






16. What is the formula for the wheel and axle?






17. What is the work formula?






18. hat is a screw?






19. Work is measured in units also known as?






20. What kind of machine is the inclined plane?






21. Gears can do a job for you by changing what three things?






22. What is the first thing a gear can do?






23. What is one type of second class lever?






24. Fractional mechanical advantage






25. What is the formula for the mechanical advantage of a screw?






26. What are the 4 forces?






27. What direction does the effort and resistance move in first class levers?






28. How can you decrease friction on flat surfaces?






29. What is the jack screw used for?






30. How is force measured in work?






31. What kind of mechanical advantage does the first and second class lever provide?






32. For Blocks and falls if you are getting a mechanical advantage what is the distance of your pull and the weights?






33. Class two lever






34. With a single fixed sheave on a block and tackle what must the force of your down pull equal?






35. What is the mechanical advantage of a single movable block?






36. What are first and third class levers used for?






37. What direction does the effort and resistance move in the second class levers?






38. With a single fixed sheave what is the only mechanical advantage?






39. The miter gear faces are beveled at what angle?






40. What direction does the effort and resistance move in third class levers.






41. How do you find the mechanical advantage?






42. What is the ratio of any gear train?






43. Formula for fractional mechanical disadvantage.






44. An egg beater has a mechanical advantage of what?






45. How is distance measured in work?






46. How do you measure power?






47. What type of lever provides a fractional mechanical advantage?






48. What is another way to find the mechanical advantage of an inclined plane?






49. The worm gear is a combination of what?






50. What is the second thing a gear can do?