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Mechanical Systems 2

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. The work done by a machine as the output force acts through the output distance






2. The science of designing gone or work environments that best suit the human body in it various dimensions.






3. The distance between adjacent threads in a screw.






4. The results of the operation of any system.






5. A rotating gear that meshes with a bar that has gear teeth along its length. Changes rotating motion into linear motion.






6. A toothed wheel that works with others to alter the relation between the speed of an engine and the speed of the driven parts.






7. A system in which a gas - such as air - transmits a force exerted on gas in an enclosed space.






8. A pivot pin near the outside edge of a wheel or disk that changes reciprocating motion into rotary motion.






9. The gear being turned buy the driver gear






10. A law stating that when pressuer is exerted on on part of a fluid - the same pressure is transmitted unchanged to all parts of the fluid - no matter what the shape of the container holding fluid. EX: water balloon.

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11. The quantitative relation between two amounts showing the number of times one value contains or is contained within the other.






12. A machine used for raising or moving liquids.






13. The part of a machine which contains two or more pieces arranged so that the motion of one compels the motion of the others.






14. The work done on a machine as the input force acts through the input distance






15. The member of a pair of gears to which motion and power are transmitted by the other. The output gear.






16. A way to measure stuff.






17. A rotating wheel- like device with teeth around the rim.






18. A threaded shaft used to convert rotary movement to linear movement.






19. A pear- shaped disk with an off- center pivot point - used to change rotating motion into reciprocating motion.






20. A machine consisting of two turning objects attached to each other at thier centers. One object to turn






21. The transmission of power between shafts by means of a belt connecting pulleys on the shafts.






22. A joint that allows connected shafts to spin freely while permitting a change in direction.






23. A gear between the driver and the driven gear used to change rotational direction.






24. A lever in which the effort is applied between the fulcrum and the load.






25. A common workplace disorder causing numbness and pain in the thumb and first three finger.






26. A gear with teeth that fits into the links of a chain.






27. The ratio of the force produced by a machine or system (the load) to the force applied to the machine or system.






28. The realtioship between the speed of rotation of a smaller gear and a larger gear = number of driven gear teeth / Number of following gear teeth.






29. Measurement for work






30. A system having a boundary that separates it from it surroundings.






31. Work= force x distance






32. The ability to do work.






33. One of a pair of gears used to connect two shafts whose axes intersect.






34. A lever in which the load is between the fulcrum and the effort.






35. A combo of several pulleys working together.






36. A push or pull on an object.






37. The ratio of the useful work or energy provided by a machine or system with the actual work or energy supplied to the machine or system.






38. A combination of two or more gears used to transmit motion between two rotating shafts or between a shaft and a slide.






39. A machine consisting of a bar that is free to rotate around a fixed point - changing the amount of force that must be exerted to move an object.






40. A mechanical system that uses a liquid under pressure in a close system to raise heavy objects.






41. A small cogwheel that engages or is engaged by a larger cogwheel.






42. A twisting force.






43. The gear which transmits power and motion to the rest of the system. The input gear.






44. A back and forth movement.






45. A mechanical arrangement consisting of a toothed wheel driven by a short revolving cylinder bearing a screw thread.






46. Circular movement.






47. Stored energy






48. A device used to regulate the flow of a liquid in a hydraulic system.






49. The point of the lever that does not move.






50. A combination of fixed and movable pulleys - may be used to list very heavy or awkward loads.






Can you answer 50 questions in 15 minutes?



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