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






2. Work= force x distance






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






4. The gear being turned buy the driver gear






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






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






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






8. Acts on a certain area.






9. A way to measure stuff.






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






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






12. A twisting force.






13. The ability to do work.






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






15. 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.






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






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






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






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






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






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






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






23. 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.






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






25. A push or pull on an object.






26. The energy of motion.






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






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






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






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






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






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






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






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






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






36. A combo of several pulleys working together.






37. 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.






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






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






40. 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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41. A machine used for raising or moving liquids.






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






43. The distance between adjacent threads in a screw.






44. Circular movement.






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






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






47. The results of the operation of any system.






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






49. Stored energy






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