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 rack and pinion - the flow of power is...






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






21. 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






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






23. 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?






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






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






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






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






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






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






30. Gear ratio formula






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






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






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






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 lead screw - what is the type of input movement?






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






38. 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.






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






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






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






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






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






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






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






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






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






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


49. For a crown and pinion - _______ is reversible






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