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. The threads of a screw are cut so?






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






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






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






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






7. How do you measure power?






8. hat is a screw?






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






10. What does a micrometer measure?






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






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






13. What is one type of second class lever?






14. A miter gear connects what?






15. What kind of machine is the inclined plane?






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






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






18. What is the lever formula?






19. Formula for fractional mechanical disadvantage.






20. What is the work formula?






21. What are the 4 forces?






22. What is the power formula?






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






24. The worm gear is a combination of what?






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






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






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






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






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






30. Class two lever






31. What is the ratio of any gear train?






32. Work is measured in units also known as?






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






34. Friction is involved when?






35. What is the jack screw used for?






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






37. How is work done?






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






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






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






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






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






43. How do you find the mechanical advantage?






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






45. Fractional mechanical advantage






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






47. The bevel gear is used to connect what?






48. How is distance measured in work?






49. How can you decrease friction on flat surfaces?






50. 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?