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






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






3. Work= force x distance






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






5. The that has a handle because of a motoe or person turning it.






6. 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.






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






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






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






10. A swing back and forth at a regular rate.






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






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






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






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






15. Measurement for work






16. Something put into a system - such as resources - in order to achieve a result.






17. The gear being turned buy the driver gear






18. A back and forth movement.






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






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






21. A twisting force.






22. Movement in a straight line.






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






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






25. A combo of several pulleys working together.






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






27. 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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28. 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.






29. The ability to do work.






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






31. 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.






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






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






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






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






36. 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.






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






38. The energy of motion.






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






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






41. Opposite in position - direction - order or effect.






42. A push or pull on an object.






43. The distance between adjacent threads in a screw.






44. A secondary or subordinate system that is part if a larger system.






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






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






47. The application of force that moves an object a certain distance.






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






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






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