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 crank and slider - the flow of power...






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






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






4. Gear ratio formula






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






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






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






8. For a crank and slider - how far does the slider move each revolution of the crank?






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






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






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






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






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






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






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






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






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






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






19. 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






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






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






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


23. 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....






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






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






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






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






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






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






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






31. For a universal joint...






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






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






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






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






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






37. 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.






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






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






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






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






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






43. 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?






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






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






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






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






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






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






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