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. Gear ratio formula






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






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






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






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






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


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






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






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






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






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






12. 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....






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






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






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






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






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






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






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






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






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






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






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






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






25. For a crown and pinion - _______ is reversible






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






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






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






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






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






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






32. For a universal joint...






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






34. Which of the following mechanisms moved more quickly - the lead screw or the rack and pinion? consider the gear ratio. which mechanism moved the farthest with one turn of the crank handle?






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






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






37. For a cam and follower - how many times does the follower move up and down with one revolution of the crank?






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






39. 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.






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






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






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






43. 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






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






45. For a crank and slider - the flow of power...






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






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






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






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






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