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






2. The distance in a strait line from the center of a circle to the circle circumference






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






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






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






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






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






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






9. A machine used for raising or moving liquids.






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






11. The weight of an object that is is moved or lifted by a machine - or resistance to movement that a machine must overcome






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






13. Energy is transferred from one plan to another - and no energy is changed or converted.






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






15. The results of the operation of any system.






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






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






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






19. 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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20. Acts on a certain area.






21. The force acting perpendicular to a certain surface area.






22. The gear being turned buy the driver gear






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






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






25. Stored energy






26. 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.






27. A twisting force.






28. A pulley supported by attachment to something that does not move - such as a ceiling - wall - or tree.






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






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






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






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






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






34. A wheel with a grooved rim to guide a rope or chain that runs along the groove; used to transmit or change direction of force.






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






36. A back and forth movement.






37. The energy of motion.






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






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






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






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






42. A way to measure stuff.






43. A push or pull on an object.






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






45. The ratio of the speed of the driving member of a gear train to that of the driven member.






46. Measurement for work






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






48. Movement in a straight line.






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






50. Work= force x distance