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. How is force measured in work?






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






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






4. What is the jack screw used for?






5. Formula for fractional mechanical disadvantage.






6. What is one type of second class lever?






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






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






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






10. The bevel gear is used to connect what?






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






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






13. What is the ratio of any gear train?






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






15. Fractional mechanical advantage






16. What are the 4 forces?






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






18. How do you find the mechanical advantage?






19. What is the power formula?






20. How is work done?






21. What does a micrometer measure?






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






23. What kind of machine is the inclined plane?






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






25. How do you measure power?






26. Work is measured in units also known as?






27. 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?






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






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






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






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






32. The worm gear is a combination of what?






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






34. The threads of a screw are cut so?






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






36. Class two lever






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






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






39. What is the work formula?






40. hat is a screw?






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






42. What is the lever formula?






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






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






45. A miter gear connects what?






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






47. Friction is involved when?






48. How is distance measured in work?






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






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