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 - how many revolutions of the crank are needed to move the screw block 1 inch?






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






3. 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....






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






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






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






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






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






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

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






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






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






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






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






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






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






17. For a universal joint...






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






33. 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...






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






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






36. 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






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






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






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






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






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






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






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






44. 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?






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






46. For a crown and pinion - _______ is reversible






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






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






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






50. Gear ratio formula