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 bevel gear assembly - what is the gear ratio?






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






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






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






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






6. For a crank and slider - the input to this system is what type of motion?






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






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






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






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






11. For a simple gear with idler - what is the gear ratio?






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






13. 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.






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






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






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






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






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






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






20. For a universal joint - what is the speed ratio of the input shaft to the output shaft?






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






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






23. For a crown and pinion - _______ is reversible






24. For a lead screw - which is increased in the output? force or speed?






25. The difference between linear and reciprocating mechanisms is that in a linear mechanism - in order to make the output move in the opposite direction - you have to turn the input... In a reciprocating mechanism - the mechanism moves...... when the in






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






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






28. For a crank and slider - the output of this system is what type of motion?






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

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30. For a bevel gear assembly - is the _____ is constant






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






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






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






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






35. Gear ratio formula






36. For a universal joint - is the speed increased - decreased - or constant?






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






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






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






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






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






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






43. For a universal joint...






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






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






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






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






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






49. For a pulley and belt - what is the position of the input shaft compared to the output shaft?






50. For a __________- the flow of power is not reversible