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






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






3. 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.






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






5. A machine used for raising or moving liquids.






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






7. The results of the operation of any system.






8. The gear being turned buy the driver gear






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






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






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






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






13. Measurement for work






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






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






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






17. 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.






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






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






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






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






22. A push or pull on an object.






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






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






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






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






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






28. A combo of several pulleys working together.






29. A twisting force.






30. 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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31. The energy of motion.






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






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






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






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






36. The distance between adjacent threads in a screw.






37. Acts on a certain area.






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






39. A way to measure stuff.






40. Stored energy






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






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






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






44. 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.






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






46. Circular movement.






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






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






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






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