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






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






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






4. The results of the operation of any system.






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






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






7. 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.






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






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






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






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






12. Stored energy






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






14. A combo of several pulleys working together.






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






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






17. A push or pull on an object.






18. A machine consisting of a small cylinder - a crank or handle - on a cable. Winch can be used to lift or pull things






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






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






21. The distance between adjacent threads in a screw.






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






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






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






25. A back and forth movement.






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






27. 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.






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






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






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






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






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






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






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






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






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






37. Work= force x distance






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






39. The energy of motion.






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






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






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






44. The gear being turned buy the driver gear






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






46. Measurement for work






47. 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.






48. A machine used for raising or moving liquids.






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






50. The ability to do work.