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. Fractional mechanical advantage






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






3. How is distance measured in work?






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






5. The threads of a screw are cut so?






6. What is one type of second class lever?






7. How do you find the mechanical advantage?






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






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






10. What is the lever formula?






11. 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?






12. What does a micrometer measure?






13. How is force measured in work?






14. Work is measured in units also known as?






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






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






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






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






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






20. What is the power formula?






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






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






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






24. What is the jack screw used for?






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






26. How do you measure power?






27. Formula for fractional mechanical disadvantage.






28. How is work done?






29. What is the work formula?






30. The bevel gear is used to connect what?






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






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






33. What is the ratio of any gear train?






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






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






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






37. How can you decrease friction on flat surfaces?






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






39. What are the 4 forces?






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






41. Class two lever






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






43. hat is a screw?






44. What kind of machine is the inclined plane?






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






46. A miter gear connects what?






47. The worm gear is a combination of what?






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






49. Friction is involved when?






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