Test your basic knowledge |

Mechanical Gears

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. For a lead screw - the flow of power is ____reversible






2. For a crown and pinion - the direction of ____ is reversible






3. For a worm and wheel - the flow of power is...






4. For rack and pinion - if the diameter of the pinion gear were increased - would the rack move a shorter or longer distance?






5. For a rack and pinion - the flow of power is...






6. For a rack and pinion - what is the type of output movement? what distance does the rack move with one revolution of the crank?






7. For a lead screw - is the direction of travel...






8. For a cam and follower - the ______ of travel is reversible






9. For a pulley and belt - what is the input to output ratio?






10. For a cam and follower - what is the type of input movement?






11. For a worm and wheel - the direction of travel is...






12. For a lead screw - how many revolutions of the crank are needed to move the screw block 1 inch?






13. For a rack and pinion - the ___________ is reversible






14. For a crank and - if the diameter of the crank gear were increased - would the slider move a shorter or longer distance?






15. For a simple gear with idler - is the torque increased - decreased - or constant?






16. For a _____ gear assembly - the flow of power is reversible






17. For a universal joint...






18. For a worm and wheel - is the speed increased - decreased - or constant?






19. In a mechanism - when the input goes from a small gear to an output which is a larger gear - the speed will... When this happens - the amount of torque will....






20. For a universal joint - the torque...






21. For a bevel gear assembly - is the speed increased - decreased - or constant?






22. For a universal joint - what is the angular range between the input shaft and the output shaft in which this mechanism will work?






23. For a simple gear with idler - predict what the direction of travel would be between the input and output gears if the idler gear is eliminated from the mechanism.






24. For a pulley and belt - is the flow of power is...






25. For a simple gear with idler - the ______ is reversible






26. For a worm and wheel - what is the gear ratio?






27. For a simple gear with idler - is the speed increased - decreased - or constant?






28. For a pulley and belt - is the torque increased - decreased - or constant?






29. For a pulley and belt - the input shaft does not turn in the same direction as the output shaft if the belt...






30. For a rack and pinion - what is the type of input movement?






31. When a big gear turns a small one - the output provides more... but less... than the input.






32. For a crown and pinion - is the torque increased - decreased - or constant?






33. For a worm and wheel - what is the angle of the input shaft compared to the output shaft?

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34. For a simple gear with idler - compare the direction of travel between input and output gears.






35. For a crown and pinion - what is the angle of the input shaft compared to the output shaft?






36. For a pulley and belt - the input shaft turn in the _____ direction as the output shaft






37. For a bevel gear assembly - what is the angle of the input shaft compared to the output shaft?






38. For a simple gear with idler - the position of the ________ compared to the output shaft is parallel.






39. For a crown and pinion - _______ is reversible






40. For a bevel gear assembly - what is the gear ratio?






41. For a lead screw - what is the type of input movement?






42. For a lead screw - what is the type of output movement?






43. In the pulley and belt mechanism - you held onto the output of the mechanism and tried to stop movement to test for the mechanism's...






44. For a crown and pinion - is the speed increased - decreased - or constant?






45. Gear ratio formula






46. For a crown and pinion - what is the gear ratio?






47. For a worm and wheel - is the torque increased - decreased - or constant?






48. For a pulley and belt - is the speed increased - decreased - or constant?






49. For a cam and follower - what is the type of output movement?






50. For a universal joint - do the input and output shafts turn in the...